
List of fictional diseases
Similar to the Black Death and HIV/AIDS among Humans, the Drafa Plague bears a stigma among the Markab as a disease that the public felt was only caught by those considered sinful, immoral or unclean by Markab standards, and a punishment by their gods for committing such acts. The disease was named after an island on their homeworld where its inhabitants were wiped out by the disease, an island noted in Markab history for its decadence and immorality. The story of the island was eventually used to frighten small Markab children into behaving. Even accusing a Markab of being infected with the disease can bring shame, paranoia, fear, and an angry response from the accused, and Markab doctors would frequently certify someone's death from the disease as death by natural causes, so the family could avoid a scandal and the implied accusation that they or their family were unclean or immoral.
Suggested treatment: A remote link to the hologram disk projection system, a detachable power transfer adapter capable of holding spikes of up to five million volts, and a B47/7RF resistor. Plus confiscation of equally deranged penguin glove-puppet
In Season 2, it is mentioned that the virus constantly mutates. It is now visualized as some sort of a black gas; it can infect plants and trees; hosts, such as Rasmus and Sarah, have connection with the infected plants, and the hosts can release the virus upon being irritated, angered, scared, or if there is a threat to the virus. Virus is in symbiosis with the host, so if a host is cleared of the virus, he will die.
What Is Hanahaki Disease, Fandom’s Favorite Fictional Ailment?
There are many common tropes in fandom that are easily relatable to non-fandom friends. Everyone can grasp enemies to lovers, or taking Star Wars characters and putting them in a coffee shop, or what might happen when there’s only one bed left for two people to share.
Yet there is one trope that is rather unique and has developed into ubiquitousness in fan circles while remaining unknown otherwise. This is Hanahaki Disease, an illness that is fictional and fantastical in nature. Although it doesn’t exist, you can find it in narratives across every kind of fandom.
Details about how Hanahaki Disease impacts its sufferers can vary based upon the story, art, video, poem, or cosplay. But the basic concept is that it is a physical manifestation of unrequited love that kills if it is not cured. What makes Hanahaki Disease so fascinating is that its medium is as lovely as it is deadly. A character who comes down with Hanahaki Disease begins coughing up flower petals. This is the first sign that they are in love with someone that they believe does not return their feelings.
In most fanworks that use Hanahaki Disease, the sufferer hides the symptoms at first, and as the disease progresses, so does its floral affliction. Flowers grow in the character’s body, usually blossoming in the lungs or heart and causing immense pain. Whether depicted as a lingering or fast-moving illness, we know things are getting serious when the character starts coughing up entire flowers instead of just the petals. By then their life is in serious danger.
There are generally only two methods of “treatment.” Happily, Hanahaki Disease is instantly cured if it turns out that the object of the sufferer’s affection does indeed love them back. This lends itself to the staging of dramatic love confessions or sudden realization from the beloved once they see how sick the Hanahaki-diseased person is.
If there is no hope of love requited, however, a sub-trope has developed that surgery can help the afflicted to remove the flowers and survive. The catch is that they will then emerge with no memory of the person that they are in love with. While some plots take this angsty route, others veer further into tragedy by having the character refuse treatment because they would rather die than forget about the person that they adore. This is “dying for love” writ on a level of personal suffering and self-sacrifice.
Some narratives skip requited love or surgery and go straight for the angstiest outcome: Hanahaki Disease finally kills its sufferer. But if you have to go out, what a poetic way to do so, leaving heaps of flower petals or blooms in the mouth. It’s an intermingling of body horror and beauty, an ailment that is at once grotesque and yet rooted (sorry) in objects that are considered the epitome of visually attractive and given as tokens of appreciation.
“This trope is popular because it has a lot of melodramatic angst-potential, while also being pretty. Death by Hanahaki Disease is tragic but beautiful,” TV Tropes notes in its entry on the fictional phenomenon. “The victim is killed from within by something as beautiful as flowers […] They’ll leave behind trails of bloody flowers, which are both horrific and aesthetically pleasing.”
Where did Hanahaki Disease originate? While its ultimate origins are somewhat unclear, Fanlore provides some background:
The term hanahaki comes from the Japanese words hana (花), which means “flower“, and hakimasu (吐きます), which means “to throw up“.
The Hanahaki Disease trope was popularized with the Japanese shoujo manga,「花吐き乙女」(Hanahaki Otome), or The Girl Who Spit Flowers by Naoko Matsuda (松田奈緒子), which was released in 2009. The symptoms of the disease are summarized to strong pain, having flowers blooming in the heart and lungs, and then throwing them up.
However, among East Asian (Japanese and Korean especially) fans and creators, the concept of flower regurgitation due to unrequited love dates to before Hanahaki Otome’s release. Its true origins are currently unknown.
Hanahaki Disease intrigues me because it’s a largely fandom-based idea that has been widely accepted and adopted, yet it has no corresponding basis in reality. Many of its elements help explain why it has proved popular. First, of course, it instantly sets the stage for a high-drama story with a (usually) happily romantic ever-after. It enables people to explore themes of sickness and mortality without having to engage with actual illnesses, which can be fraught territory for both creator and consumer. And it utilizes a natural signifier of beauty that is all but universal. Flowers have a rich symbology worldwide, which further allows for deeper meaning based on the types used in the narrative.
And though flowers are often celebratory and loving symbols, they are also associated with death and grieving, and we have some horror-based associations bound up in snaking tendrils. There are many legends of carnivorous plants and trees that devour unsuspecting people, and there are many real flowers that are disturbing in appearance or smell and are capable of killing animals and insects.
Deadly poisons often derive from plants, and monstrous plants and pollens lurk in movies like Little Shop of Horrors, The Happening, Day of the Triffids, Invasion of the Body Snatchers, and, well, Attack of the Killer Tomatoes. As much as we might admire plant life, we’re also somewhat conditioned to fear its potential poisonous and ill effects on our bodies, and the idea of flora acting invasively on us is deeply unsettling.
In fandom, Hanahaki Disease has carved out a distinct mode of storytelling. My takeaway from the trope is that love is such a powerful force it’s easy to imagine it as a tangible, living thing, capable of being both beautiful and terrible as it grows.
(images: Pexels)
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What is Hanahaki Disease?
The Hanahaki Disease is an illness born from one-sided love, where the patient throws up and coughs up flower petals when they suffer from one-sided love. The infection can be removed through surgery, but the feelings disappear along with the petals.
Hanahaki Disease Definition
The Hanahaki Disease is an illness born from unrequited love, where the patient’s throat will fill up with flower, they will then proceed to throw, and cough up the petals, (sometimes even the flowers).
One of the only ways for the disease to ‘disappear’ is if, the said person returns the feeling (it can’t be resolved with friendship, it has to be genuine feelings of love).
The infection can also be removed through surgery, though the feelings disappear along with the petals. If they choose nether options, or the feeling is not returned in time, then the patient’s lungs will fill up with flowers, and will eventually suffocate.
There is no specific flower for the disease, but it’ll either be the crushes favourite type of flower, or their favourite colour. We can only hope for the patients and pray that the crushes favourite flower isn’t a type of rose.
(The length of the disease varies with each person. But on an average, it will last up to 2 or 3 mouths, but sometime it’ll only last, a couple weeks).
For Example
The sight was sickening, the body lay limp on the carpet. stained petals, and flowers surrounding them, swirling in a pool of their own blood. I took a deep breath. Then turned to the rest of the group, keeping my head low. ‘Who said love couldn’t kill?’ I let out a low laugh.
“Darn you, Hanahaki Disease,” I curse under my breath. Tears threatening to fall.
Is the Hanahaki disease real? Facts in 2021
No. It is a fictional illness that occurs when the person who loves you doesn’t love you back. Often seen in characters in fan fiction, someone infected with Hanahaki disease will have a throat that fills up with flowers and they cough out the petals.
If the person’s love is returned then the disease is cured. The other “cure” is surgical removal, and along with the flowers, the feelings are removed as well. If left untreated it is said that the flowers will suffocate the lungs and the lovesick person will suffocate and die.
While certainly a dreadful faux demise, I would recommend googling Hanahaki and looking at the images as the illustrations are quite fascinating! It is actually just a fictional disease that is born from one-sided love.
The patient/victim is effected because their crush/attraction hasn’t returned their feelings. The Hanahaki Disease has the victim coughing up bloody flower petals because the disease takes place in the lungs. The disease can be cured but the feelings for that person disappear. The person can return the feelings and the disease would stop affecting the person.
For Example:
Hanahaki disease is not real. Just like we have the titular virus in Dan Brown’s novel, the Inferno, the Hanahaki disease is a work of fiction. We could call it lovesickness because it has to do with love and romance.
Okay, now you know quite well that the Hanahaki disease is not real and never would be. But I wrote a little more on this fictitious disease, which I think you would find interesting. Continue reading!
When one develops this fictitious disease called Hanahaki, a lot of things can happen. It is reported that people who suffer from this disease cough up flower petals.
Now the factor responsible for this sickness is unrequited love. It simply means loving someone and not getting loved in return.
Let me use John (a man) and Janny (a woman) to demonstrate the meaning of this disease. Assuming both of them (Peter and Jane) are close. John loves Janny to the point that he can take a bullet for her.
Unfortunately, the relationship is one-sided. John loves Janny, but Janny doesn’t love or feel the same way.
According to the Hanahaki disease, John may develop this disease due to unrequited love. In this case, his lungs will become filled with flowers and their roots, growing in his respiratory tract.
The only way John can become better is for Janny to return his love. The disease can also be removed via surgical operation. But if urgent action is not taken, the victim may die.
What are some fictional diseases like Hanahaki Disease?
Hanahaki isn’t the only fictional disease we have heard of and won’t be the last. The entertainment industry and fictional writers are always cooking up things to inspire their audience.
So we would see more of the Hanahaki-type of diseases as time progresses. I would also like to say that there are tons of other conditions that are similar to Hanahaki. They are fictional diseases that are not real.
But let me tell you something, almost all the fictitious diseases out there have a real-world equivalent. In other words, their creation was inspired by the real-life illness itself.

Let’s go over the different diseases:
Mad Snail Disease
Remember the widespread mad cow disease that hit the news now and then? The illness gave birth to the Mad Snail Disease. The Mad Snail disease isn’t real. The term was used in the popular cartoon program, SpongeBob.
This disease, as acted in the cartoon, developed following a bite from an infected snail. And once bitten, the victim develops messy pants, bloodshot eyes, loss of balance, and untrimmed toenails.
Mad Zombie Disease
Have you watched Zombieland, or Walking Dead? These are movies where humans were portrayed as brain-eating monsters. The Mad Zombie disease is also a work of fiction. There is nothing real about it.
According to those behind the idea of the Mad Zombie Disease, it is said that one bite transforms an individual. Now guess the real-world equivalent of this disease. Well, it’s the mad cow disease once again!
Ancient virus:
The ancient virus is a rare viral strain found in Queen ant genes. Discovered by ‘Alexia Ashford’ when she was studying ants. When combined with the progenitor virus it creates the powerful t-Veronica virus.
Electrogonorrea
Sexually transmitted diseases exist. They can also move from one human to another. Now, what about the interaction between a human and a robot? Don’t you think a sexually transmitted disease when humans have intercourse with robots can occur?
Well, with all the numerous sex dolls coming from Japan and the rate at which people are patronizing them, a day would come when diseases like this can manifest.
But I hate to break it to you that Electrogonorrea isn’t real. And it never existed, which is good news for sexually active toasters out there.

Angel toxicosis:
causes the victim to eventually lose the ability to taste, sleep, cry, feel pain, and talk. It also increases the victim’s hearing, strength and sight abilities.
As well as eliminating the need to eat and sleep. In the early beginnings, it allows victims to gain crystal-like wings and fly until the disease is destroyed. The final stage of this disease causes the victim to give up his/her heart and memory.
Bendii syndrome
Another disease you may be hearing for the first time is “Bendii syndrome.” It’s also not a real disease like Hanahaki. But the concept looks scary, and yes, it has a real-world equivalent.
The Bendis syndrome, according to those behind the idea, is a generative neurological illness. It affects the elderly Vulcans – a group of fictional extraterrestrial humanoid species from outer space. The disease is believed to cause fever, weakness, fatigue, and emotional control.
Now the real-world equivalent of this disease is Alzheimer’s disease. And it’s a disorder that can cause the brain cell of humans to waste away. That is, degenerate and die. Alzheimer’s disease destroys one’s memories, including other forms of mental functions.
PANTYHOSE EXPERIENCES
Inferno
If you haven’t read any of Dan Brown’s novels, the Inferno should help change to your mind. But Dan isn’t new in the game. He has written several books, including The Da Vinci Code, Angels and Demons, and a host of others.
However, the Inferno is his latest mystery and detective fiction book. In the book, Dan wrote about the titular virus, which isn’t real, though.
The titular virus, according to the book, renders its victims infertile and is waterborne. But the villain in the book wanted it to destroy many people’s lives and decided to make the virus airborne.
One amazing thing you need to know about this titular virus is that it has a real-world equivalent, and it’s called the “Infamous Black Plague.”
Can You Catch HanaHaki Disease?
It looks different for different people. The trick is to try out different methods and do plenty of self-reflection. That’s how you can figure out what works for you.
For many people, pausing and taking a few deep breaths helps them manage their emotions. Others find it helps to listen to music, read a book, or exercise.

Stepping away from a difficult situation helps many people manage their emotions. If you’re feeling overwhelmed by emotion, try taking a break.
Cook and eat a meal. Go for a long walk. Do something you enjoy to get your mind off of it. When you come back, you’ll probably feel more able to handle the issue—and your reaction to it.
You may not really be at risk of catching HanaHaki Disease, but heartache itself can certainly feel like an illness. Have you ever found yourself nursing a broken heart?
We hope not! If it ever does happen, try out a few of the strategies we talked about. You may be surprised how much better you feel.
Find a friend or family member who can help you with these activities!
Everyone has their own way of regulating their emotions. Talk to an adult you know, like a family member, teacher, or doctor. Ask them how they regulate their emotions. Can they offer you strategies to try? What works best for them?
HanaHaki isn’t the only fictional disease out there. Read about a few others, like Dragon Pox or Hawaiian Cat Flu. Do you think either of these illnesses could have had real-world inspiration? Discuss with a friend or family member.
Think about the last time you felt a very strong emotion. Why were you feeling the emotion? How did you feel physically? What were you thinking about? How did you react to how you felt? Write a short personal narrative about what you felt and how you reacted to it.
Final words:
Hanahaki Disease is an illness born from one-sided love, where the patient throws up and coughs up flower petals when they suffer from one.
Hanahaki Disease (花吐き病 (Japanese); 하나하키병 (Korean); 花吐病 (Chinese)) is a fictional disease in which the victim coughs up flower petals when they suffer from one-sided love. It ends when the beloved returns their feelings (romantic love only; strong friendship is not enough), or when the victim dies. It can be cured through surgical removal, but when the infection is removed, the victim’s romantic feelings for their love also disappear.
The trope was popularized in East Asian fandoms (Korean, Japanese, Chinese) before it was used by Westerners. In fandom, it appears most frequently in relation to BL pairings.
The Hanahaki Disease trope is not used exclusively within fandom – many people have become intrigued by the concept and created non-fannish artwork, poetry, songs, music videos, and other creative works based around the concept. However, Hanahaki Disease is particularly popular within fandom due to its potential for angst, hurt/comfort, pining, and general romantic tension.
There is no set time for how long this disease lasts but it may last from 2 weeks to 3 months, in rare cases up to 18 months, until the victim dies unless the feelings are returned or the plants are surgically removed. There is also no set flower that blossoms in the lungs but it may be the enamoured’s favourite flower or favourite colour.
HanaHaki Disease
Hanahaki can be cured through surgical removal of the plants’ roots, but this excision also has the effect of removing the patient’s capacity for romantic love. It may also erase the patient’s feelings for and memories of the enamoured. It can also be cured by the reciprocation of the victim’s feelings.
These feelings cannot be feelings of friendship but must be feelings of genuine love. The victim may also develop Hanahaki Disease if they believe the love to be one-sided but once the enamoured returns the feelings, they will be cured.
In some literature, other symptoms can be fever, uncontrollable shaking, loss of appetite, low body temperature, and hallucinations. Even after curing, with or without surgery, there can be irreversible damage to the lungs and, although very rare, in some cases the disease cannot be cured.
Related
The Hanahaki Disease is an illness born from unrequited love, where the patient’s throat will fill up with flower, they will then proceed to throw, and cough up the petals, (sometimes even the flowers). One of the only ways for the disease to ‘disappear’ is if, the said person returns the feeling (it can’t be resolved with friendship, it has to be genuine feelings of love). The infection can also be removed through surgery, though the feelings disappear along with the petals. If they choose nether options, or the feeling is not returned in time, then the patient’s lungs will fill up with flowers, and will eventually suffocate.
There is no specific flower for the disease, but it’ll either be the crushes favourite type of flower, or their favourite colour. We can only hope for the patients, and pray that the crushes favourite flower isn’t a type of rose.
(The length of the disease varies with each person. But on an average, it will last up to 2 or 3 mouths, but sometime it’ll only last, a couple weeks).
~~~Example~~~
The sight was sickening, the body lay limp on the carpet. stained petals, and flowers surrounding them, swirling in a pool of their own blood. I took a deep breath. Then turned to the rest of the group, keeping my head low. 'Who said love couldn't kill?' I let out a low laugh.
"Darn you, Hanahaki Disease," I curse under my breath. Tears threatening to fall.
by Friggin_Author_Chan November 12, 2018

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Hanahaki disease is a fictional sickness where a victim of unrequited love or one sided love will have a plant growing inside their lungs. Symptoms of said illness will result in said victim coughing up blood and flowers or flower petals. The disease can only be cured if the two form a mutual love or a two sided love or if said victim undergoes surgery to remove the plant. Losing the plant means you can lose your affection or ability to love the person that you adored at one point. It is commonly used in anime fanfiction
Well Hanahaki Disease is fictionalso there aren't really any examples
by Abi_GachaWolf June 28, 2020

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The Hanahaki disease is a fictional disease that makes you throw up flowers or flower petals. There is no chosen flower type, it only depends on the victim's favorite color or type of flower. It starts with someone loving another person but, The other person already loves someone. Then the victim starts to throw up, the victim expecting barf, but no. It's flower petals or flowers. The flowers and petals stay in the victim's lungs until the crush says they love them. But if the crush does not say they love the victim in time, The victims lungs will fill up with more flowers and petals until they suffocate and die.
I ran home. Covering my mouth, I unlocked the door and tried to run to the upstairs bathroom. But I started coughing a lot. I knew I had to clean my barf up. I opened my mouth and closed my eyes. I felt something touching my hands lightly. I opened my eyes and noticed it was a single flower and flower petal swirling in my blood. This was the fifth time this month. The Hanahaki Disease... I suddenly dropped to the floor and started choking. There was no one in the house. I felt my lungs filling up with flowers and flower petals. My vision got blurry and I had a vision of my crush. 'heh, who said love couldn't kill?' I said slightly. My eyes closed slowly. 'I love you.' I whispered slightly.
by DoggiePotato_ 915 January 11, 2021

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hanahaki disease, where one who deeply loves another will throw up petals, and maybe the whole flower, but covered in blood. to get rid of this disease is for your lover to return their love to you, and truly mean it. but the second option is too get the surgery, but you will lose all love and feelings for the other. If after a few days you don't confess or get the surgery, you will meet your end.
I had the sudden urge to throw up as I run to the bathroom. I get a metallic feeling in my mouth as I throw up in the sink. With a sore throat I look down, only to notice blood, and small blue sheets of something. With closer examination, I notice they are petals. My eyes widen, only to notice what was going on. My feelings were growing more, dangerously more. Hanahaki disease.
by jreamie October 12, 2020

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Disease hanahaki
Hanahaki Disease
Hanahaki Disease (花吐き病 (Japanese); 하나하키병 (Korean); 花吐病 (Chinese)) is a fictional disease in which the victim coughs up flower petals when they suffer from one-sided love. It ends when the beloved returns their feelings (romantic love only; strong friendship is not enough), or when the victim dies. It can be cured through surgical removal, but when the infection is removed, the victim's romantic feelings for their love also disappear.
The trope was popularized in East Asian fandoms (Korean, Japanese, Chinese) before it was used by Westerners. In fandom, it appears most frequently in relation to BLpairings.
The Hanahaki Disease trope is not used exclusively within fandom - many people have become intrigued by the concept and created non-fannish artwork, poetry,[1] songs,[2] music videos,[3]documentaries and other creative works based around the concept. However, Hanahaki Disease is particularly popular within fandom due to its potential for angst, hurt/comfort, pining, and general romantic tension.
Origins
The term hanahaki comes from the Japanese words hana (花), which means "flower", and hakimasu (吐きます), which means "to throw up".
The Hanahaki Disease trope was popularized with the Japanese shoujomanga,「花吐き乙女」(Hanahaki Otome), or The Girl Who Spit Flowers by Naoko Matsuda (松田奈緒子), which was released in 2009. The symptoms of the disease are summarized to strong pain, having flowers blooming in the heart and lungs, and then throwing them up.
However, among East Asian (Japanese and Korean especially) fans and creators, the concept of flower regurgitation due to unrequited love dates to before Hanahaki Otome's release. Its true origins are currently unknown.
In 2017 the Korean webtoon Spring in the Heart by Bboong was canceled and disqualified as the 2nd Prize winner of Lezhin's 3rd World Comic Contest due to using the Hanahaki disease trope. According to a translated statement from Bboong, "I did not know that the Hanahaki disease was a fictional concept with property rights owned by the original creator." This apparently referred to Hanahaki Otome.[4]
Versions
This trope has several variations, and is used in both happy and tragic stories. It often develops over months or even years, beginning with coughing up a few petals and growing in intensity (and pain) until the victim is vomiting entire flowers, by which point the disease has entered its final stages.
The happy ending version is when the object of the victim's love returns their affections, thus making the love no longer unrequited. The victim is then cured of the disease. This may happen spontaneously when the object of affections realizes his (it's usually a him) love, or the disease may require the object to persuade the victim that their love is mutual. If the victim cannot believe that his beloved returns his love, he will die.
Another popular version is when the victim's lungs get filled with the flowers and roots grow in their respiratory system. They choke on their own blood and petals, and die. It is popular due to the angst that comes with character death.
There are also works where the flowers are surgically removed, as are the victim's feelings of love, meaning they can no longer love the person they once loved. Sometimes this also removes their memories of the former beloved, or the victim's ability to ever love again. Often, the one suffering the disease will refuse the surgery, preferring to die rather than losing their feelings.
Many artists and authors tend to use cherry blossoms as the flower of the petals that characters cough up, although it's not uncommon for the flower to be something significant to the characters. Flower symbolism is also popular in western fandom, for example to represent the victim's affections or personality, or that of their loved one.
Few people match this disease with Sporotrichosis and Lovesickness. But these are not the same. Hanahaki disease is a fictional disease, on the other hand, sporotrichosis is a real disease. This is known as rose gardener disease. Lovesickness is a disease recognized by medieval physicians.[5]
Fanworks
"You made flowers grow in my lungs and, although they are beautiful, I cannot breathe." --Unknown[6]
Fanfiction

- Words That Water Flowers by DecemberCamie: Hunter X Hunter fic with Killua and Gon as high school students and best friends; includes flower crowns and the threat of surgery - Killua's family will not allow him to die. Several fanartists drew pictures of the scenes within the story, and links are included.
- Red As Carnations by v_larr: Yuri!!! on Ice, Yuri Katsuki/Victor Nikiforov. Yuuri has the disease for many years after seeing Viktor perform - Yuuri's love of the ice itself is enough to cause him to fall in love with a master skater without even meeting him.
- Blooming by Oonymay: EXO fic; the story begins when Suho has begun to cough up entire flowers, signifying he has only one week for either Kris to fall in love with him, or die.
- petals and blood by NikeScaret: DC Comics fic where Jonathan Kent is in love with Damian Wayne and gets help and advice from Lex Luthor; in this, it's hardly a rare disease at all. Damian's been warned by his mother that he'd be very susceptible so he must promise never to fall in love - she did, but had her flower surgically removed.
- I Bloomed For You... by Meanie_Beanie_nim: BTS fic, Kim Taehyung/Jeon Jungkook. Jeon Jungkook develops the condition after finally meeting his soulmate Kim Taehyung, only for his other half not to recognize him as such. Jungkook is determined to hide his illness from the rest of his friends and from Taehyung, but he finds himself quickly running out of days.
- Pollen Warning, a Persona 5Akira Kurusu x Reader fic. In this version of the trope, victims of Hanahaki Disease are immediately consumed by the flowers if they are rejected by their love interest. The fic's multiple endings explore different possible outcomes for the disease.
- The High Stakes of Lilies by kathium: The Old Guard fic set after Joe met Nicky but before they get together, where Joe dies multiple times from the disease before Nicky finds out.
- Blood-Red Rose by I_Gave_You_Fair_Warning: Star Wars fic where Obi-Wan Kenobi loves Anakin Skywalker with all his soul, though he knows Anakin cannot reciprocate.
Fanart
Aesthetic edits
Fanvids
Fannish Resources
References
- ^Hanahaki disease by Elyciren, Hello Poetry. Published October 13, 2017 (Accessed January 27, 2018).
- ^【Fukase English】 Hanahaki 【Original Vocaloid Song】 by Egg, YouTube. Published March 5, 2017 (Accessed January 27, 2018).
- ^花吐き病 hanahaki byou by toiletteregina, YouTube. Published September 1, 2015 (Accessed January 27, 2018).
- ^Announcement, Archived version
- ^[1] Hanahaki Disease.
- ^This quotation appears frequently on Hanahaki Disease fanworks as a title, prompt or tagline, but its exact origins are difficult to identify. Its origins may not directly be related to Hanahaki Disease, but instead the phrase has just come to be used alongside the trope. It's sometimes worded as "You made flowers grow in my lungs and although they are beautiful I can't fucking breath(e)". This Yahoo! Answer about the phrase's origins doesn't suggest any connection to Hanahaki, but instead implies that the phrase is a metaphor for how love can be both beautiful and also hurtful and suffocating.
Spread the Joy of Wonder
Today’s Wonder of the Day was inspired by Natalie. Natalie Wonders, “what is the HanaHaki disease?” Thanks for WONDERing with us, Natalie!
Think of a time when you felt a very strong emotion. Was it excitement? Gratitude? We hope it was an emotion that made you feel good, like love or joy. Now, think about how you felt physically when you experienced that emotion. Did you feel warm? Maybe you felt butterflies in your stomach. Perhaps you were so happy that your fingertips tingled.
Many people find that emotions affect them physically. And it’s not always a good feeling! Some people shake when they become very angry. Others have a knot in their stomachs when they’re nervous. A few people even throw up flower petals when they experience heartache.
Wait. That last one sounds a little odd, doesn’t it? That’s because it’s not real! That’s a symptom of a fictionalillness called HanaHaki Disease. Its name comes from two Japanese words. “Hana” means “flower” and “hakimasu” means “to throw up.” Put them together and they describe HanaHaki Disease pretty well.
The fictional HanaHaki Disease is common in stories from eastern Asia. They’re especially well-known by readers of Japanese graphic novels, called Manga. A character catches HanaHaki Disease when they experience unrequited love. That means they have a crush on a person who doesn’t like them back.
There are two cures for HanaHaki Disease. First, the illness goes away if the other person changes their mind. If they have romantic feelings for the afflicted person, then that person gets better. The second cure is surgery. Fictional doctors can remove the flowers. This also takes away the romantic feelings the character felt.
Real people can’t catch HanaHaki Disease. But they can experience heartache. And heartache often causes physical symptoms, like nausea and low energy. It may not be HanaHaki Disease, but it certainly doesn’t feel good. What can real people do to feel better?
The best thing people can do is learn to regulate their emotions. Everyone will go through heartache, anger, or sadness in their lives. It helps to be able to manage those difficult emotions. This can make a huge difference and help you feel better sooner.
How does emotional regulation work? It looks different for different people. The trick is to try out different methods and do plenty of self-reflection. That’s how you can figure out what works for you. For many people, pausing and taking a few deep breaths helps them manage their emotions. Others find it helps to listen to music, read a book, or exercise.
Stepping away from a difficult situation helps many people manage their emotions. If you’re feeling overwhelmed by emotion, try taking a break. Cook and eat a meal. Go for a long walk. Do something you enjoy to get your mind off of it. When you come back, you’ll probably feel more able to handle the issue—and your reaction to it.
You may not really be at risk of catching HanaHaki Disease, but heartache itself can certainly feel like an illness. Have you ever found yourself nursing a broken heart? We hope not! If it ever does happen, try out a few of the strategies we talked about. You may be surprised how much better you feel!
Standards: CCRA.L.3, CCRA.L.6, CCRA.R.1, CCRA.R.2, CCRA.R.4, CCRA.R.10, CCRA.SL.1, CCRA.W.3, CCRA.L.1, CCRA.L.2
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Hanahaki Disease

Hanahaki Disease is a fictional disease where someone begins coughing up flower petals because they have unrequited feelings for someone. The flowers can grow in the stomach, lungs, or heart, though it is traditionally in the lungs. Hanahaki Disease is a painful, slow disease that often develops over months, if not years, and begins with coughing up a few petals, and grows in intensity and pain until the victim is coughing up entire flowers, at which point the disease has reached its final stages. If not treated, the disease is fatal. It's primarily an online phenomenon that appears in Fan Works, but it has appeared in original works as well.
Hanahaki Disease originates from Japanese works. The word hanahaki is a fusion of the Japanese words hana ("flower") and haku ("throw up"). The first usage of the trope is unclear, but it was popularized in Japanese Yaoi Genre fandoms before spreading to Korean fandoms and then other international fandoms.
This trope is popular because it has a lot of melodramatic angst-potential, while also being pretty. Death by Hanahaki Disease is tragic but beautiful. The victim is killed from within by something as beautiful as flowers. Haunted by their unrequited love, the person usually tries to cover up their illness. They'll leave behind trails of bloody flowers, which are both horrific and aesthetically pleasing. Flower Motifs are often used, which adds to the symbolism. The flowers are frequently associated with their unrequited love interest: it could be their favorite flower, their favorite color, a flower they're named after, or something along those lines. (So, for example, if Bob is in love with Sakura, he might cough up cherry blossoms.)
Despite how deadly Hanahaki Disease is, it can be instantly cured if it turns out the other person likes the dying person back. It can also be cured by surgery, but this cure often means that the person will lose their feelings for the person they love (a double-edged sword which amps up the drama). If, for some reason, it can't be cured, it sometimes can be managed with medication (though this is not seen too often), but it never fully goes away.
Sub-trope to Incurable Cough of Death, Hopeless Suitor, Flowers of Romance, and All Love Is Unrequited. Related to Body Horror and Victorian Novel Disease. If the LGBT character coughs up relevant flowers, see Queer Flowers.
Examples:
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Anime and Manga
- The Trope Codifier is the 2009 Shoujo manga Hanahaki Otome, or "The Girl Who Spit Up Flowers", by Naoko Matsuda, which is about a girl with unrequited feelings who begins spitting up flowers. The symptoms are: strong chest pains and flowers coming from the heart or lungs, and then throwing them up.
- The cover of chapter 45 of Tokyo Ghoul:re shows Kanae vomiting and choking on rose petals. This is two chapters after Eto tortures him with a manipulative Breaking Speech that exploits his unrequited love towards Tsukiyama.
Fan Works
- In the Warrior Cats fic Bluebells
, Leafpool gets the disease because of Mothwing. She initially thinks it's greencough/pneumonia, but she begins coughing up flowers alongside blood. Eventually Leafpool begins sprouting flowers out her chest. Right before she dies, she confesses to Mothwing, who says that she likes her back. This cures Leafpool of her Hanahaki Disease. There is also a Multi-Animator Projectbased off of the fic
.
- Petals
, a Danganronpa twoshot, is about Mukuro having hanahaki disease from being in love with Sayaka. The disease ends up killing her instead of the Spears of Gungnir.
- The Taste of Dirt
is a Riverdale oneshot where Archie and Veronica begin vomiting and coughing up flowers because they're in love with Jughead and Betty respectively.
- Sonic the HedgehogSlash FicHanahaki Disease
is Exactly What It Says on the Tin, about Sonic coughing up pink rose petals because of his crush on Shadow.
- The Splatoon oneshot i'm so full of love i can hardly breathe
is about Pearl suffering with the disease because of her feelings for her best friend Marina.
- In this Gravity Fallsfanart,
After Wendy tell him that she's not interested, a heart-broken Dipper begins having flowers growing out of his eye until Pacifica begins showing him her feelings for him.
- The Good Omens fanfic, Somebody to Love
embraces all the Unfortunate Implications of the trope and turns it into something horrific. It is a curse placed on all the demons by Satan and the whole "requited love cures the condition" is more of a loophole rather than the standard. The murder flowers issue is also triggered by all kinds of love, not just romantic love. Which means that even feeling some form of affection for the nice angel that Crawley met on the walls of Eden was enough to start the process.
- The long The Owl House oneshot if this is love, please don't break me
has Amity suffering this illness after realizing she's in love with Luz, who tries to reciprocate the former's feelings throughout.
- The Vocaloid fanfic Rotting Camellias turns it on its head, having the infected slowly turn into petals as they become more depressed and in despair.
Web Animation
- When The Flower Blooms
is an animesque original short based on this trope. It's about a teenage girl who becomes sick with the disease. She begins coughing up bloody cherry blossom petals. It turns out that she's dying of a known terminal illness that comes with unrequited love. She's cured when her Love Confession is accepted, however her best friend gets sick with the disease.
Web Comics
- Wonderlab: There is an Abnormality based on this concept, known as the "Staining Rose". The rose desires only one specific person that satisfies the conditions to manage it to "resonate" with it. If anyone besides that person manages it, or if that person neglects it for a certain period of time, the rose will inflict those outside of its Containment Unit with a contagious disease that makes the infected cough up red rose petals until they die. Word of God states that Staining Rose is not based off of Hanahaki Disease, but the side effects from managing it improperly resemble this trope.
Web Original