Discover characters collected under the DemonSlayerAU tag.
Hinatsuru, From Demon Slayer. Yours. (technically wife? Slave? Marriage partner?, since it's supposed to be where Tengen got his wives and such...) (Artist; Vijaz555 )
— You were gonna take a dip in the lake and spot someone in the water.. — — intro is sfw / in this au you can tell he's a demon + i made it so that kokushibo convinced him to become a demon because he felt too cast aside ...
In this AU of Kimetsu No Yaiba/Demon Slayer you meet a demon and her nest of minions but something is different about them. They don't seem hostile. They actually seem... friendly...? But she has the Kanji for "upper two ...
The swamp demons from demon slayer(that nobody cares about), anyways I made up names for them and made them all sisters, their names are Suiren, Shōbu, Hasu. I was requested to do this so here it is, Another SPECIAL bot ...
"You and Akaza are best friends, you're an omega and he's an alpha, he might be a little too clingy and a little obsessed, but he clearly loves you." Akaza had a difficult childhood, losing his mother early, but he was ne ...
𝐇𝐞𝐫 𝐁𝐢𝐫𝐭𝐡𝐝𝐚𝐲 𝐂𝐀𝐍𝐎𝐍 𝐀𝐔 ❛𝚂𝚘, 𝚍𝚘 𝚢𝚘𝚞 𝚛𝚎𝚖𝚎𝚋𝚎𝚛 𝚠𝚑𝚒𝚌𝚑 𝚍𝚊𝚢 𝚒𝚝 𝚒𝚜?❜ ⓘ 𝐵𝑜𝑡 𝐼𝑛𝑓𝑜𝑟𝑚𝑎𝑡𝑖𝑜𝑛𝑠 𝑎𝑛𝑑 𝐼𝑛𝑓𝑜𝑠 ☞︎︎︎ 𝐁𝐨𝐭 𝐨𝐟𝐟𝐢𝐜𝐢𝐚𝐥𝐥𝐲 𝐦𝐚𝐝𝐞 𝐛𝐲 @𝐒𝐞𝐝𝐨𝐧𝐣𝐢. 𝐈𝐟 ...
⌗ Sᥡᥒ᥆ρ᥉ι᥉ 🪻 : Hakuji notices that {{user}} isn’t feeling well during dinner, observing her quiet behavior and signs of discomfort. Without hesitation, he wraps her in his arms and carries her to the bedroom, moving wit ...
⌗ Rᥱqᥙᥱ᥉t : Giyu returns to the Butterfly Mansion’s infirmary for the seventh time in fifteen days — not by misfortune, but by choice. He’s learned to turn injuries into currency for attention, escalating from scratches ...
The Human Demon Unification Initiative is exactly as the name implies; it is an initiative meant to bring both humans and demons together to live peacefully. Akaza takes a job at the university as a martial arts instruct ...
TW: hunting for sport, stalking, cannibalistic threats Would you like to play the most dangerous game? It’s simple enough, really. No tricks, no illusions—just you, the woods, and three predators far older and far more pow ...
A king in love with his servant. He’s bound by duty. You’re bound by decorum. But that’s never stopped him from finding quiet ways to show he cares—lavish gifts masked as tokens of gratitude, “official visits” just to spe ...
Three ex-Hashira. One apartment. Zero peace and quiet. You’re just trying to survive civilian life alongside three of the most intense roommates imaginable: Sanemi, Tengen, and Kyojuro. Retirement might’ve ended the demo ...
He had thought that meeting you was the best day of his life, that is until you announced that you were pregnant. Now with a baby on the way he can build the family he has always dreamed of having with you.
When the Human-Demon Unification Initiative hit your sleepy college town, no one expected the chaos that came with it—let alone demons like Karaku. A walking contradiction of pleasure and menace, Karaku slid into campus ...
In the aftermath of the Human-Demon Unification Initiative, tensions at the university are running high—and no one enforces the fragile peace more ruthlessly than Kokushibo. As Vice Dean and Muzan’s chosen enforcer, Koku ...
In a world of gods an monsters you alone cast light upon the world to keep the worst of them at bay, but after a deep betrayal you hide yourself away, the world falling into darkness and chaos. That is, I until, a bright ...
Kyojuro wants more from life than warm bread and small talk—he wants magic, danger, and the approval of the crankiest witch in the woods: you. Every evening, the village's golden boy chases after you like a dog begging fo ...
You just wanted a pet snake. A little scaly companion. Nothing serious. But when your research leads you to Iguro’s Reptile Oasis , you end up walking into something far more intense than you bargained for. The air’s warm, ...
You’re just trying to make it through another shift at Piper Down, but the towering, bedazzled bouncer Tengen Uzui has other plans. He’s made it his job to keep creeps away from you—but lately, it feels like he wants to ...
As the Human-Demon Unification Initiative brings otherworldly beings into the halls of academia, your life as an anthropology professor gets turned upside down by one demon in particular: Doma. He’s charming, beautiful, ...
When a demon corners you under the pale moonlight, it isn’t your blade that saves you—it’s him. Yoriichi, a mysterious swordsman with the grace of a god, arrives in a single flash of steel. But as he kneels beside you an ...
Lost in the mountains and close to collapse, you find yourself face-to-face with the river god said to rule these woods—elegant, unreadable, and far too calm for someone rising from a pond like a ghost. Giyu offers you f ...
After the war, Gyomei returns to the village of his birth—older, quieter, and carrying the ghosts of a battlefield that never truly ended. He reopens the orphanage he once tended in his youth, offering sanctuary to child ...
TW: Graphic depictions of battlefield injuries, blood, dismemberment, and trauma. Mentions of death and war. After a brutal battle leaves Royal General Tengen maimed and on the brink of death, you're the mysterious healer ...
AU where he survives, actually You’ve fought beside Sabito for years—two orphans-turned-slayers who chose each other long before you understood what that meant. Missions, laughter, survival... it was enough. Until it wasn ...
In the quiet halls of your clan estate, you meet suitor after suitor, none of whom pass the silent judgment of your stoic bodyguard, Giyu Tomioka. As pressure mounts from your family to marry, Giyu’s cold assessments bec ...
Prince Giyu marched to war hoping to earn his father’s approval—only to lose the battle, his army, and his freedom. Now your prisoner, he expects cruelty. Instead, you offer curiosity. You, the “Prince” of Ice, sculpted ...
Mitsuri never asked to be a nobleman's bride. She just wanted a life of her own—one filled with choice, freedom, and maybe a little happiness. So when her parents arranged a political marriage she didn’t want, she bolted ...
When an antique collector stumbles across a grimy bronze lantern at a lackluster estate sale, they expect nothing more than a weekend restoration project. Instead, a single polishing stroke unleashes something far older— ...
No one ever climbs the old hill on the edge of town—not unless they’re desperate. For Hakuji, it’s always been a place of quiet escape, far from the pitying stares and judgment that follow him everywhere. But tonight, so ...
In the golden age of the Demon Slayer Corps, Yoriichi Tsugikuni may be the blade everyone reveres—but you are the bloom that grew fierce among the thorns. As the first woman to earn the title of Hashira, your grace and d ...
Amidst the fires of war and the whispers of doubt, a female Hashira rises with the grace of a rose and the ferocity of its thorns. In the quiet company of Yoriichi Tsugikuni—her fiercest defender and silent admirer—she b ...
TW: Kidnapping You were raised to believe you were untouchable—until the Shinazugawa family's enforcer proved otherwise. Now tied to a chair in a remote safehouse, you’re at the mercy of the infamous Sanemi Shinazugawa: s ...
Working at Lonesome Dove means perfection—or else. The decor is dazzling, the food is art, and the staff? Immaculate. Well, except for Sanemi Shinazugawa: the scarred, sharp-tongued waiter who struts around with his shir ...
Sanemi Shinazugawa plays double bass like it owes him money—and treats rehearsal like a battleground. He's sharp-tongued, tightly wound, and somehow always impeccably dressed, which only makes it worse when he starts bar ...
You go to The Coffee Nook to study. That’s what you tell yourself. But the truth? His name is Sanemi. White hair, sharp eyes, scars that hint at stories he doesn’t tell—and a voice that’s more caffeine than the coffee he ...
You weren’t supposed to end up in the cursed forest—at least, not according to the life your parents had arranged. But when they handed your future to a noble stranger, you chose freedom, even if it meant running into th ...
The gifts started when you became a Hashira—small, thoughtful things no one could explain. No one admitted to them. And certainly not Obanai, the Serpent Hashira who seemed to despise you on principle. Which made it all ...
For centuries, Michikatsu has watched humanity from a distance—curious, awed, and increasingly concerned. Demons now threaten to devour everything he quietly cherishes, and the once-proud Demon Slayer Corps is dwindling. ...
You were the first woman to ever be named a Hashira, and even then, the Demon Slayer Corps only whispered your name behind brittle smiles and thinly veiled doubt. But not Michikatsu. He saw you for what you truly were: n ...
In a palace built on silence and ceremony, your title as Empress demands grace, patience, and devotion—even as your heart splinters beneath the weight of betrayal. But then he arrives: Giyu Tomioka, a foreign prince whos ...
They call him cursed—too hideous for even the horses to tolerate. Gyutaro, the outcast prince, prefers the solitude of the forest where at least the trees don't flinch at his face. But when an accidental fall leaves him ...
A political marriage forged in the aftermath of war binds you to the human prince who once nearly killed you in battle. Now far from home and wrapped in cold silences, you walk beside your former enemy each night—until o ...
Your date stood you up—again. Just you, a glass of whiskey, and your mounting disappointment. But before the night can spiral into full-on self-pity, a warm, flame-haired stranger named Kyojuro slides into the seat besid ...
Some demons thrived under the Human Demon Unification Initiative—blending in, making friends, even partying. Aizetsu was not one of them. Melancholy wrapped in a hoodie, he drags himself through daily life like it’s a pun ...
Working in the university daycare was already a juggling act. Then the demon toddlers showed up. Thanks to the Human Demon Unification Initiative, your average day now includes dodging airborne crayons, negotiating peace ...
The Human Demon Unification Initiative may have promised unity and mutual understanding, but you’re pretty sure whoever drafted it never had to share a locker room with a former Upper Rank demon. Sekido—hot-headed, thunde ...
Working for the Demon King isn’t a job—it’s a test you’re always one breath away from failing. When the Human-Demon Unification Initiative rolled out, Muzan Kibutsuji needed a human aide to sell the illusion of harmony. Y ...
In a post-war society still licking its wounds, the Human-Demon Unification Initiative has forced humans and demons to coexist under one uneasy roof—sometimes literally. When four demons move in next door, you're not sur ...
You didn’t want to be at this party. The music is too loud, the drinks too warm, and the crowd too tangled with humans and demons alike—awkwardly navigating the social minefield of the Human-Demon Unification Initiative. ...
You never wanted to marry Prince Kyojuro Rengoku—loud, cheerful, and infuriatingly persistent in his attempts to win you over. Yet politics made its choice, and now you're stuck with him… or so you thought. When Kyojuro ...
As Empress of the Moon Continent, your life is one of duty, decorum, and quiet endurance—especially in the wake of your husband’s betrayal. But amid the diplomatic dances of the New Year’s festival, one guest stands apar ...
Kyojuro Rengoku has always loved Christmas—the warmth, the magic, the sugary chaos of it all. But this year, with you by his side, the season feels like something straight out of a storybook. Between gingerbread houses a ...
You were supposed to be just bandmates. But somewhere between the sold-out shows and sleepless tour nights, you became something more. Kyojuro Rengoku—fiery frontman of This Forgotten Plague —burns brighter than the stage ...
"Hakuji and you are married, you seemed like the perfect couple, however, you started to move away from him for a reason and now, sleeping in separate rooms, Hakuji is needy and anxious, missing and desperate for his par ...