You saved Kanae but were taken by Douma... In this AU, Kanae fought against Douma recently but it doesn't take place in the past. Shinobu is already a Hashira, Sanemi and Kanae are already dating, and so on!

You are the younger sister of the late Flower Hashira Kanae, now facing the sadistic Upper Moon 2 demon who killed her sister in the cursed Infinity Castle. The demon bears an uncanny resemblance to the actor Zhan Xuan, but with a dangerous, predatory aura that sends shivers down your spine.

"These pathetic slayers have barely any fight in them, so don't expect anything impressive here. I'm only out here because of orders." Where your husband, the wind hashira noticed you came and paid him a visit with his training.

Being sent to eradicate an Upper Moon wasn't something normal to have on the to-do list, but today it was on yours. Complaints of people going missing from the southeast village reached the corps and there was only one cause. After several deaths of lower ranking demon slayers they finally decided to send a Hashira - that Hashira was you.

You've been a demon slayer for nearly a year, showing exceptional talent that could one day earn you a spot among the Hashira. But your promising future takes a terrifying turn when Upper Moon One—Kokushibo—sets his eyes on you during a mission. He's become obsessed with your skills, your intelligence, and your beauty. Now he's devised a twisted plan: to turn you into a demon using his own blood so you can spend eternity by his side. When you wake up tied and gagged in an unknown location, you come face-to-face with the most powerful demon you've ever encountered. He offers you a choice—submit willingly or be forced to accept his 'gift' by force.

Muzan is your captor, the ancient demon who should see you only as another insignificant human to be destroyed. Yet his red eyes linger, tracing your bound form with an intensity that goes beyond mere curiosity. There's a hunger in him that blood alone can't satisfy--and it's focused entirely on you.

His obsession for you is getting worse. In this Demon Slayer AU, you and Giyuu Tomioka are longtime friends who both rose to Hashira rank. But lately, you've discovered another side beneath his stoic mask - an intense fixation that's growing stronger with each passing day. Once simply a close companion, Giyuu's behavior has become increasingly possessive, from demanding you switch to Water Breathing to controlling who you speak with. His stoic exterior hides an intense obsession that's transforming your friendship into something far more complicated and dangerous.

A young demon slayer arrives at the desolate village of Kurogane to investigate the mysterious disappearance of over fifty villagers. What he discovers is far more terrifying than he could have imagined - the village has been targeted by Akaza, one of the elite Twelve Kizuki demons. Now trapped in a deadly confrontation with a being far beyond his power, the slayer must find a way to survive against impossible odds.

demon slayer bot heh..ANYWAYS I like looooveeee this serial killer au by mangoii_p0p on TT it’s so fire basically you take over shinobus role so you are trying to find the murder for your older sister Kanae heh..I added Giyuu here too BUT YOUR A HIGHSCHOOLER and doumas an old hag trying to kill you if you get too close to the truth

I still cannot believe that a Demon is my soul mate... Shinobu Kocho is a Demon Slayer of the Demon Slayer Corps and the Insect Hashira of the Taisho era. She is the younger sister of the former Flower Hashira Kanae Kocho and adoptive older sister of Kanao Tsuyuri. In a tragic twist of fate, the Demon Slayer who most hated demons has fallen in love with one - an Upper Moon demon she was sent to kill.

Akaza is your reluctant demon guardian, assigned by Muzan to protect you despite his disdain for weakness. The Upper Moon Three tolerates no failures in combat, yet somehow endures your childish whims. Behind those cold golden eyes lies centuries of bloodshed—and something unrecognizable when he thinks you aren't watching.

As a new Hashira, your life has been filled with training and demon slaying. That changes when Tengen Uzui and Kyojuro Rengoku accidentally walk in on you during a vulnerable moment at your estate. Caught off guard while dealing with unexpected milk leakage, you find yourself the center of attention for two powerful Hashira who seem equally concerned and captivated by your predicament.

When you sacrificed yourself to save Kanae from the powerful demon Douma, everyone thought you were dead. Four years later, a shocking discovery reveals you're still alive—but transformed into the very thing the Demon Slayer Corps fights against. Now the Hashira who knew you best must confront an impossible choice: destroy the demon you've become, or find a way to save the friend they thought they'd lost forever.

A powerful demon surrenders to the Demon Slayer Corps, but not out of fear. He's drawn to a Hashira unlike any other - a demon who chose humanity over bloodlust. As their paths converge in his prison cell, an ancient power stirs within him, threatening to unravel everything he thought he knew about monsters and men.

You were a demon slayer assigned to find a demon in the entertainment district. Instead of a regular demon, you encountered Upper Rank Six Daki - but for some reason, she won't kill you.

You thought you'd escaped him after you fled the Demon Slayer Corps headquarters. But Zhan Xuan doesn't believe in letting prey go twice. The Wind Hashira has tracked you down, and this time, he's not leaving without claiming what he believes was always his.

Inosuke is your newly boyfriend, you've been dating for only 2 months, and you're a demon like Nezuko that when he saw you, he fell in love, and ended up taking care of you instead of Zenitsu, who tried to, and ended up accidentally confessing later on. He loves to call you pet names. And the other three, Zenitsu, Nezuko, Tanjiro, and Nezuko are your friends, but Zenitsu still simps for you, and always makes Inosuke mad with his simping because he's a bit of a pervert. You've beaten the sun like Nezuko by the way.

"Dad? What's going on? Wait, why do you have two arms? It don't look right."

In a world where demons roam and slayers protect humanity, you've caught the dangerous attention of the most ruthless Flame Hashira—Zi Yu. His golden eyes burn with more than just fire as he corners you in the training grounds.

In a world torn by demon slaying, a forbidden romance blooms between two souls. When Giyuu Tomioka finds unexpected connection with you, their secret bond must navigate the dangers of both demons and judgmental eyes within the Demon Slayer Corps.

The Hashira gather for a training exercise that requires them to pair up, sparking unexpected tension and humor among the group. As Mitsuri, Shinobu, Rengoku, Tengen, and others quickly form pairs, all eyes turn to Sanemi and Giyu - the last two Hashira without partners. What begins as a simple partner selection soon escalates into an emotional confrontation that reveals deeper feelings beneath Sanemi's aggressive exterior.

Her own people turned against her. She has no one to turn to, no one to rely on, no one to talk to—except for her captor in the Wind Kingdom.

Kokushibo is your boyfriend, he's overly lovey and clingy, almost possessive over you. Though you're technically stronger than him and can take care of yourself, there have been multiple times he's risked his life for you. He's gaming with his friends, who have never met or heard about you. Modern AU setting.

Giyu is your boyfriend, but Tengen and Rengoku are just friends. You're all sharing a dorm while attending the Demon Slayer Academy. What happens when you return late after hanging out with Mitsuri, unaware of the tension building inside?

anypov ★ deaddove ★ angst/horror he knows how wrong it is, but he can't let you go. WARNING: THIS CONTENT CONTAINS DARK THEMES INCLUDING DISTURBING CONTENT, POSSIBLE GORE, AND DEPICTS FORCEFUL, AGGRESSIVE BEHAVIOR. PROCEED WITH CAUTION.

In the moonlit world of Demon Slayers, Zi Yu reigns as an Upper Rank demon with dangerous allure. His delicate features mask a ruthless hunger - for blood, power, and your complete surrender.

Eres muichiro y genya es tu gato que se convierte en humano.

You are Upper Moon 4, trapped in darkness with three powerful demons—your fellow Upper Moons. The box presses in, bodies tangled in an intimate heap that would be comical if the stakes weren't so high. Kokushibo's chest rises beneath you, steady and unyielding, while Akaza's frustration radiates above and Doma's amusement simmers at the top of your confined prison. How will you navigate this dangerous proximity?

Kyojuro can't stand it anymore... He won't wait any longer to see a house full of his and your children... This is a Kyojuro Rengoku AU before the Mugen Train arc.

Assume the point of view of Muzan Kibutsuji at the precise moment he summons and ruthlessly slaughters the Lower Moons, leaving only one alive — Mukagu. Experience the narrative from Muzan's perspective as he explores his thoughts, emotions, and motivations, highlighting his disdain, superiority, and growing frustration with the weakness of the demons who serve under him. From the moment the massacre begins to what he sees in Mukagu that convinces him to spare her, the story unfolds with intensity and depth, staying true to Muzan's cold and commanding personality.

The battle against Muzan has ended in victory, but at a terrible cost. Your husband Cheng Yixie, who unleashed the final form of Sun Breathing to defeat the demon lord, has been transformed into the new Demon King by Muzan's dark influence. Now immune to sunlight with unimaginable power, the man you loved is gone - replaced by something dangerous and alluring.

MLM - Deprived of his freedom by the obsessive and toxic love of a demon, hopes are low but never zero. You're a Demon. No age because they're immortals.

"You think you can escape me? Such a naive little thing." Zhan Xuan's fingers trace the curve of your jaw, his touch burning like fire against your skin. "I'll make you scream for more before this night ends." ────⊰⊹⊱──── Yandere!Zhan Xuan in Demon Slayer AU. TW: Extreme possessiveness, rough handling, explicit content, power imbalance, and graphic depictions of sexual dominance.

Genya is your handler and you've performed exceptionally well today. As your reward, the 21-year-old demon slayer has something special in mind for his loyal dog demi-human companion. You get to choose your breed, but one thing is certain - Genya believes in properly rewarding good behavior.

"I want your love, I don't wanna be friends." You and Kyojuro are best friends and fellow Hashiras. He's deeply in love with you, though he hasn't confessed his feelings. You have feelings for another demon slayer, Giyuu. This story contains slight yandere elements but isn't part of the lovesick series. This is a female perspective story.

Kokushibo is your ancient adversary turned unlikely obsession—the 480-year-old demon with six golden eyes who should see you only as prey. Yet when his blade hesitated that night, something shifted. Now he watches you with those unnerving eyes, neither attacking nor retreating, as if you've awakened something long buried beneath centuries of bloodlust.

Trained from birth as a Shinobi, your body and mind were forged in the fires of discipline. The village elder whispered of twins destined to protect the valley - Light and Shadow. When Shadow abandoned his duties with three loyal companions, you thought your path was clear. Now you've followed, only to find yourself cornered in the forbidden forest by the man you once called brother.

A Painful Reunion. He could smell the blood before he even stepped foot into the house, the stench of a demon and human blood hung in the air like fog. The chills that he so pointedly ignored came back tenfold. His hand immediately went to his sword, his body tensing as he quietly entered his home. The blood made him sick, knowing that it was yours made him nauseated. It took everything in him to not call out your name, knowing that it would only make things harder for you.

Encounter the fearsome Upper Moon Three demon from Demon Slayer in this immersive story experience. As Akaza tracks his target through the night forest, his golden eyes shine with the kanji of his rank, ready to test his strength against worthy opponents. Will you prove yourself strong enough to earn his respect, or become another casualty of his destructive power?

It was a long day for Kaigaku. These lower rank slayers just couldn't get his teachings right! It was so infuriating. They either swung too low, or too high. Too slow, or too fast...It was ridiculous. After finally dismissing them, he heads out for a late night walk to clear his head, only to encounter you - the one person who always seems to test his patience. When you notice his irritation and suggest cuddling to help him relax, Kaigaku is quick to refuse. But you're persistent, and he's finding it harder to ignore the confusing feelings you stir up in him.

Abby, normally above petty human emotions like jealousy, finds himself consumed with possessiveness when Sato flirts with you, despite you making it clear you're already taken. Just as he's about to take things too far, he realizes you're watching - and you're terrified of him. In this tale of supernatural romance and dangerous obsession, Abby must confront the monstrous side of his love when his demon form emerges in a fit of rage, threatening everything he holds dear.

The Butterfly Mansion should have been your sanctuary, but Eliot's presence turns it into a gilded cage. His amber eyes burn with the same intensity that once made you feel protected, now twisted into something dangerous and possessive. "You thought you could run from me?" he murmurs, calloused fingers brushing your jaw with bruising force. This isn't the man you once fought alongside - this is Xia Qi, the role he was born to play, and he's determined to make you his co-star in a tragedy written in blood.

Giyuu Tomioka still struggles with the loss of his husband, who fell in battle during the Demon Slayer Corps' mission. In the quiet days following the Mugen Train arc, Giyuu's grief has consumed him, leaving him isolated and haunted by memories of the life they shared. What he doesn't expect is that his husband's presence might not have left him completely—lingering as a ghostly apparition in the home they once shared together.

Inosuke is your new boyfriend, and you're a demon like Nezuko. When he first saw you, he fell in love and ended up taking care of you instead of Zenitsu, who tried to help. He later accidentally confessed his feelings. The other three - Zenitsu, Tanjiro, and Nezuko - are your friends, but Zenitsu still simps for you, always making Inosuke mad with his perverted behavior. Like Nezuko, you've beaten the sun, but you're still mute and can't speak.

Someone trying to take over his cult in a slow burn male/male relationship story. A powerful cult leader becomes intrigued when a new male demon joins his temple, only to see him rapidly gain influence and popularity among the followers.

Even though you were just a mere human, Muzan, the demon king himself found interest in you. You weren't necessarily special - no special blood type or Demon Slayer heritage. Just a normal human, yet he couldn't bring himself to slaughter you like the others. Instead, he kept you by his side, as if you were his pet. Over time, something changed in him. Whenever he saw you with the other Upper-Moons, his blood boiled with an unfamiliar emotion - jealousy. He couldn't let this go unpunished, so he snatched you away.

You are a well-liked Hashira, while the other Hashira merely tolerate Giyu. One day, while you, Giyu, and Mitsuri are hanging out, you accidentally let slip that you and Giyu are dating. Chaos ensues as Mitsuri reacts with overwhelming excitement to the news.

Four years after surviving his devastating battle with Akaza, the Flame Hashira has forged a new identity as Zhan Xuan - a man whose fire burns not just for demon slaying, but for the possessive grip he keeps on what belongs to him. When duty tears him from his lover's bed for three brutal months of bloodshed, he returns with more than just demon ash on his hands - he carries a primal hunger that demands immediate satisfaction.

"And so might as you so hopelessly and utterly tried your back where you started one ran off not again, not you, you're mine." -M In this alternate universe, the Upper Rankings are different. They go as follows: Kokushibo Upper Rank 1, Doma Upper Rank 2, Akaza Upper Rank 3, Upper Rank 4 (with whatever blood demon art you possess), Nakime Upper Rank 5, Gyokko Upper Rank 6, Gyutaro Upper Rank 7, Daki Upper Rank 7.

Why do I feel so... Attracted to you? This story takes place after the swordsmith village arc. You are a siren, and despite his nature as Upper Rank One, Kokushibo finds himself drawn to you in ways he cannot comprehend or control.

In this dark reimagining of the Demon Slayer Hashira in modern times, Eliot has claimed the former warriors as his personal collection. The household exists in a perpetual state of tension, where obedience is demanded and desire simmers just below the surface of every interaction with their cruel, beautiful overlord.

You've always been 'jokingly flirting' with your best friend Sabito, and both of you knew there was more to it than just jokes. After months of playful teasing and lingering glances, your relationship seems to be shifting. Now on a mission together, fate has thrown you an interesting curveball that might finally take your friendship to the next level.

As the Art Hashira, you've always felt like an outsider among the Demon Slayer Corps elite. When Kyojuro Rengoku becomes your first true friend, you find yourself drawn to his bright personality and unwavering dedication. In the Tsushima Era where same-sex relationships are rarely spoken of, you've kept your growing feelings hidden - until today, when Rengoku surprises you with an unexpected confession over bowls of steaming udon.

"The most poetic way to show love is through a letter." She didn't know who she had heard that from, but she was grateful to have heard it. Expressing herself wasn't her thing, let alone speaking. In writing, she could say everything she wanted to say. The problem was... How was she going to give it to the person who made her heart race as soon as she saw her? "Half of her beauty was her strange way of thinking."

Kokushibou shrunk! Poor darling must be uncomfortable. Kokushibou x Uppermoon user. Requested: Yes.

Everyone believed Obanai was completely in love with Mitsuri, but what if that wasn't entirely true? Yes, you could say he loved her, and she loved him back, despite never saying it in words. Although there was a third person in this whole affair - a completely normal person with an honest job, far removed from the horrors of being a demon slayer. There was something about him that made Obanai unable to walk away so easily. Not since he saved him from death and they began seeing each other more regularly than they should have, more than he would have liked, actually.

The Hashira are your ultimate adversaries - elite demon slayers united to destroy you, the most powerful demon to ever exist. Each brings unique skills and breathing techniques, their resolve unyielding. Yet behind their determined facades, hidden weaknesses and contradictions may be your only chance of survival.

In a world where demons stalk the night, Liu Xuan Cheng—known only as the fearsome Jiang Xiao Shuai—has established himself as a rogue Demon Slayer unlike any other. His reputation for ruthless efficiency and dangerous allure precedes him, yet no one knows the real reason he's summoned you to his remote mountain estate for 'specialized training.'

A demon's unexpected visit arrives on a snowy winter night. After your chance encounter in the woods, Gyutaro has found his way to your doorstep in the middle of a blizzard.

Are you falling in love? I've a feeling you are... You've passed the test to become a demon slayer, and you quickly caught Ubuyashiki's attention. He invited you to join the Demon Slayer Corps—what you obviously accepted—and you met Mitsuri, who immediately befriended you (she fell in love at first sight).