1 - 20 of 23 Works by MariDemon123
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As Our Hearts Are Full by MariDemon123
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
23 Oct 2025
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Summary
WELCOME TO MY NEWEST SERIES INSIDE A SERIES!!!!!!!!! This is part of my Demon Slayer AU yet this will just include a bunch of chapters of short stories!!
Most of them will just be family cuteness
Although I already have some ideas, please feel free to comment any other suggestions/requests!!
Series
- Part 3 of We Are A Family (Mari's Demon Slayer AU)
- Language:
- English
- Words:
- 593
- Chapters:
- 1/?
- Kudos:
- 8
- Hits:
- 85
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Summary
Ranpo goes to hang out with Poe, only to find something very wrong...
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What if Chuuya never made it out of the flooding room with Fyodor?
How will Dazai respond?
HEHEHEHE
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All That Matters is That We Stay Together by MariDemon123
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
03 Oct 2025
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Summary
Muichiro is sick!!!! So, everyone else has to go to the store to get supplies!
PART OF MY DEMON SLAYER AU!!!!! It'll really help to read the other one first!
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Where Did You Go (The Love Of My Life) by MariDemon123
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs
03 Oct 2025
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Help I'm bad at summaries
"Well, well, well. What do we have here?" the grim voice says.
"D-dazai... 'Samu.. help me. Please."
OR
It never sat right with me how Dazai just left Chuuya after the Lovecraft fight, so I make it ANGSTY! (Please bear with me during the inconsistent postings.)
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We Would Burn Down The World For You by MariDemon123
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
21 Sep 2025
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My demon slayer AU!! It may be confusing, but I'll try my best to explain!
or....
Muichiro gets bullied at school, and his siblings are not going to let this slide
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You're Enough (We Love You) by MariDemon123
Fandoms: Sakamoto Days (Manga), Sakamoto Days (Anime)
17 Sep 2025
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Summary
I'm BACK!! This is a direct continuation of my other fic, so please read that one first or it won't make much sense.
Shin wakes up violently, panic follows, then that well deserved comfort!
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Throwing Me Away Into The Bad Pile, All My Life Been Putting On A Fake Smile by MariDemon123
Fandoms: School Bus Graveyard (Webcomic)
16 Sep 2025
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Summary
Title from the Song Bad Child by Tones and I
Aiden's parents are abusive, so Aiden has no choice but to go to Ashlyn's to seek help (and he gets it)
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A Stupid Mistake Kills A Man by MariDemon123
Fandoms: 呪術廻戦 | Jujutsu Kaisen (Manga), 呪術廻戦 | Jujutsu Kaisen (Anime)
13 Sep 2025
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Summary
I KNOW HOW THE TITLE SOUND BUT NO ONE ACTUALLY DIES I SWEAR
Yet another Fanfiction of Satoru being a dense idiot but don't worry! I still love him! :3
Or
What if Satoru Gojo hadn't paid attention to the safety measures that are in place to protect him and his friends, and what if Suguru gets hurt because of it?
Series
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No More Tears by MariDemon123
Fandoms: 地縛少年花子くん | Jibaku Shounen Hanako-kun | Toilet-bound Hanako-kun (Manga), 地縛少年花子くん | Jibaku Shounen Hanako-kun | Toilet-bound Hanako-kun (Anime)
09 Aug 2025
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Warning* This has MAJOR spoiler for the TBHK manga, past what is currently published in North America.
Also this IS a series, and it will be continuedWhat if Kou made it out of different dimension, before Mitsuba would be gone in the real one? Takes place after Chapter 110
Enjoy!
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When My Mind Is Gone by MariDemon123
Fandoms: Sakamoto Days (Anime), Sakamoto Days (Manga)
05 Jul 2025
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Summary
So you know how Shin has been warned about his ESP causing side effects? Yeah so here is if he got side effects while on a mission with Taro Sakamoto and Heisuke. (Takes place before them going to prison arc)
EDIT: Omg! 100 kudos!!!! Thank you so so much!!!
Series
- Part 1 of To Us, You Are Perfect (Sakamoto Days)
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To be the Strongest, to be Able to Breathe by MariDemon123
Fandoms: 呪術廻戦 | Jujutsu Kaisen (Manga), 呪術廻戦 | Jujutsu Kaisen (Anime)
27 Jun 2025
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Summary
At the age of eighteen, Satoru Gojo was an idiot.
OR
When Gojo is an idiot who forgets that the Fushiguro kids haven't had a normal childhood, whump is bound to follow.
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I Fell Hard In Your Arms Tonight by MariDemon123
Fandoms: School Bus Graveyard (Webcomic)
26 Apr 2025
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So you know how when they were in the facility Aiden was mostly ok except for fainting? Yeah so I gave him brain damage and more! :)
Yay for trauma!
Edit: AWWW OMG 100 kudos!! Thank you so so much!!!!!
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When My Heads Not Right by MariDemon123
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
24 Apr 2025
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Summary
Stranded in the woods with a concussed Shinso, what will Aizawa do?
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When You're Next To Me by MariDemon123
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
24 Apr 2025
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Summary
When Hitoshi has a bad day and spirals into a destructive panic attack while Aizawa is away, what will they do?
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Blank Space by MariDemon123
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
24 Apr 2025
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Summary
Quirk gone wrong on patrol? Whatever will they do?!
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In My Own Mind by MariDemon123
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
24 Apr 2025
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Summary
Just a sweet short hurt/comfort fic!
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Stranded by MariDemon123
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
24 Apr 2025
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Summary
Alone and without anyone nearby, how will they hold out until help comes?
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When You Came Back by MariDemon123
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
24 Apr 2025
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Summary
When Tamaki comes back from a trip acting off, do his friends notice?
"I almost missed it, and that made me sick."
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Who We Are by MariDemon123
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
24 Apr 2025
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