1 - 20 of 156 Works in Alternate Universe - No Devils (Chainsaw Man)
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The Devil House by AetherRook
Fandoms: Chainsaw Man (Manga), Chainsaw Man (Anime), The Owl House (Cartoon)
07 Mar 2026
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Denji never once thought that he would get the opportunity to live a normal life, until the moment that he was chopped up and killed.
Given another chance in another world, Denji is determined to fulfill his dream, even if it means putting up with a no-nonsense bounty hunter and a bratty little demon. But living a “normal life” isn’t as it seems, especially when it’s in a world engineered to be as inhospitable as possible. But the true danger isn’t the environment: a dark plot has been brewing from behind the scenes, and maniacal dictators, bizarre cults, and ancient space gods threaten his livelihood.
A conflict for the fate of the Boiling Isles and beyond has been in motion for millenia, and Denji may be the key to finally ending it…if eating good food and getting a girlfriend wasn’t his more pressing matter.
In other words, the Chainsaw-Man’s-characters-in-the-setting-of-The-Owl-House fic that no one asked for but I am writing anyways. No knowledge of TOH is needed to understand the insanity that is to come, and the plot is inspired by both stories but unique.
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In a modern college AU, Aki Hayakawa agrees to a reckless bet to make his best friend fall in love with him. But somewhere between banter, cigarettes, and “practice” kisses, he realizes he might as well be the one losing.
Features: emo male reader who's a menace to the society, genz humor, references to tiktok memes, a lot of gay.
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Yoshida Hirofumi was pathetically in love with Denji. Two full years of high school, and what did he have to show for it? A collection of stolen glances, a mental catalog of Denji’s habits, and the ability to recognize the back of his head from fifty meters away. Actually speaking to him? Becoming friends? Absolutely not.
But just when Hirofumi thought his silent suffering could drag on peacefully into a third year, Denji’s middle school bestie Sugo Miri crashed onto the scene. Now Hirofumi is faced with the unthinkable: competition. And if that means scheming, sabotaging, or inserting himself into every possible conversation until Sugo backs off, so be it.
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Monster by joohoneyonehunnit (downtonarry)
Fandoms: Chainsaw Man (Manga), Chainsaw Man (Anime)
24 Feb 2026
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As Tokyo (and the rest of the world) responds to a rapidly changing society and environment, one that is spurred on by swift technological changes and a growing concern over increased violence from unknown sources, there is the troubling question of whether this is something the world needs to accept, or something that can be changed or fixed.
Denji is a 20-year-old young man that is at the end of his rope. After his fourth cancer diagnosis in the span of five years, he is ready to call it quits on life, until he receives a mysterious offer for a miracle cure. The results of the cure, which turns him into a dangerous and frightening chainsaw/human hybrid, bear a heavy burden.
Kobeni Higashiyama lives her life in anxiety. She struggles with the demands of her eccentric and enigmatic bosses, who call themselves The Family. Growing increasingly concerned with the ethics of her bosses and the company she works for, Kobeni searches for the answers that are obscured from her.
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Shibuya Crossing: the perfect place to make money. You know, if you count pickpocketing as a career.
For Denji and Reze, that’s their full-time job. It’s the only way they can survive.
Not like they have any other option.
Or:
Two teens who steal for a living end up stealing from a gang member.
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aki hayakawa, i’ll always love you by luvrobry
Fandoms: Chainsaw Man (Manga), Chainsaw Man (Anime)
19 Feb 2026
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"So you’re a lukewarm?"
"Yeah. I think."
"But curious?"
"You’re making it sound like you’ll take me to mass someday."
There was a charged pause.
Then he spoke.
"You can come with me to mass someday," Aki said suddenly.
- or! the fanfic in which angel is a lukewarm protestant who suddenly becomes fascinated by catholicism due to his catholic classmate who smokes behind his parents back, loves angel’s name and can’t for the life of him admit he’s gay.
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It's been 2 months since college started, Denji thankfully saved enough money to atleast attend it for its full 4 years, he's met old friends like Aki, Power, Reze and some new ones like Asa... and maybe Yoshida.
He lives in an apartment by himself but thankfully the building he lived at housed his friends!
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Asa didn't like Denji and didn't like the fact he was calling her his "friend". They weren't close to being friends, every conversation they had always ended in a small argument because of how dumb he was!
He always got on her nerves even if he never wanted to. She only talked to him because he always the one to start a conversation with her. To be honest Asa doesn't really know why she's upset with Denji all of the time.
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Reze has been getting attached to Denji, not too clingy like an annoying kid stuck in their iPad but she's been wanting to hang out with Denji more often. Each glimpse she saw of him, she would run over just to greet him and have a small conversation with him, even if he was walking the opposite direction from her.
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College is a mess.
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From an early age, Asa decided she was above needing a “soulmate”, so she scoffed in the face of the universe. And the universe decided if she wanted to be alone, then she would get exactly what she wanted. Three years after the death of her parents, Asa is juggling school, an internship, and simply keeping her head above water. She hardly needs someone else to eat up her time…or realistically someone else to lose.
Denji has problems, big ones, life ending ones. Tack on a very demanding little sister and a shady tattoo artist he hardly has time to search for what he needs. How convenient for him when what he needs falls into him, quite literally.
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“Sorry. I don’t get it.” Aki frowned deeply. “So you and Denji-”
“Are pretending to date.” Angel finished for him. “PR team said it’ll attract more attention to the movie if there’s a dating rumour going on.”
Aki’s eye and mouth twitched from the sheer irony of that statement. They wanted an on-set romance? Angel and Aki were right here.
Only that… no one knew.
_________________Denji and Angel fake dated as a marketing ploy for the new Chainsaw Man movie. Little did they know of the latter’s secret affair with a different actor on set.
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When Aki gets to work in the morning, there's a manila folder on his desk. A yellow sticky note rests on top with neat, sweeping handwriting that reads: The favor you owe me ☺︎
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The old world is ruined. The apocalypse successfully starts with no victors.
A new one is remade. To fix the problem of the old ones.
Maybe Denji can find his true motives of living... maybe he can be loved, by someone... someone who still retains her memories.
Of course. Asa.
Both can finally be somewhat happy.
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Angel desperately needs this job, and attorney Aki Hayakawa knows exactly how to use that desperation to get what they both want.
[WIP]
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High Schoolers These Days by dolland, harryukeism
Fandoms: Chainsaw Man (Manga), Chainsaw Man (Anime)
03 Feb 2026
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Denji asks Asa on a date.
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Werewolf Denji, and Vampire Asa. Two feral idiots doing monster stuff in a high fantasy AU.
Written out of desire to write something silly, and fun.
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Concrete Flower by OctoberSeventeenth
Fandoms: Chainsaw Man (Manga), Chainsaw Man (Anime)
26 Jan 2026
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Despite today being the day that the visitors come, Reze is sitting outside on the rusted old set of swings.
She's looking out into the distance and sees the run down apartment blocks decorated with pictures of flowers, as if that could fool anyone.
This places has been abandoned by the world. Just like she's been abandoned.Quanxi's lesbian polycule adopts little Reze and gives her the home she needs.
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she's a lady, and i am just a boy by megureze (orphan_account)
Fandoms: 呪術廻戦 | Jujutsu Kaisen (Anime), 呪術廻戦 | Jujutsu Kaisen (Manga), Chainsaw Man (Anime), Chainsaw Man (Manga)
21 Jan 2026
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Her iridescent eyes were glistening and delectable, resembling the infamous Claude Monet’s Water-Lily Pond paintings, a palette of bright green hues, contrary to his darker shades.
If he weren’t so drawn in by every glimpse of her beauty, he might have thought that her bangs were just as weird as her low bun, and that would be his second impression of her.
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ăn kem socola bạc hà không cậu? by vochanh
Fandoms: Chainsaw Man (Manga), Chainsaw Man (Anime)
19 Jan 2026
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“đi ăn kem socola bạc hà với mình không?”
denji, reze và chuyện chúng nó gặp lại nhau thêm lần nữa.
- Language:
- Tiếng Việt
- Words:
- 1,081
- Chapters:
- 1/1
- Kudos:
- 8
- Hits:
- 65
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break for you, baby ('cause you make it feel so good) by Anonymous
Fandoms: Chainsaw Man (Manga), Chainsaw Man (Anime)
15 Jan 2026
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Denji was, in fact, touched as a kid - but so were half the kids in foster care, really, so who gives a shit.
(or: how it feels trying to get intimate with your girlfriend after what your mom did to you when you were eight).
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Seeing you all by your lonesome, two older women take you in for the night.
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Denji and Power have been inseparable since they were kids.
In their final year of high school, Denji meets Makima, a college student interning at his father's company. Makima offers him direction, validation, and a path forward. What she does not offer is warmth.
Power decides not to fight for a place she has to beg to keep, and leaves.
What follows is a slow unraveling. A quiet realization. And a long, messy rebuilding that happens without labels, guarantees, or assured forgiveness. And leaves Denji wondering if trust can truly be rebuilt.