1 - 20 of 50 Works in Mama (AI: The Somnium Files)
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The Case of the New Cyclops Serial Killings by Majesty_Clark
Fandoms: 呪術廻戦 | Jujutsu Kaisen (Manga), 呪術廻戦 | Jujutsu Kaisen (Anime)
05 Oct 2025
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Summary
Murder victims having their right eyes removed before death. Their corpses put on display like morbid art projects. He was going to find who did this to him and they would regret it.
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Also known as special agent Sukuna Itadori investigates a string of murders similar to a case from six years ago while also dealing with his nephew. Heavily based off the game Ai: The Somnium Files. You don’t need to play the game to understand this and it probably will add to the mystery if you don’t know the game.
2/23/2025 Edit: Summary has been changed due to plot developments. :)
Series
- Part 1 of JJK - Sominum AU
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Miałam nadzieję, że wrócą [PL TRANSLATION] by Alathegrump
Fandoms: AI: The Somnium Files (Video Games)
26 Sep 2025
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Summary
Kiara jest wezwana do biura i sytuacja jest bardziej stresująca dla niej, niż być powinna (wow)
- Language:
- Polski
- Words:
- 1,256
- Chapters:
- 1/?
- Hits:
- 9
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MaTe oneshot where Maddie decides to go drinking with Date. Oneshot of my yumeship with Maddie (my sona), and Kaname Date!
- Language:
- English
- Words:
- 8,411
- Chapters:
- 1/1
- Hits:
- 15
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Third Choice by AlIey_Cat
Fandoms: AI: The Somnium Files (Video Games), AI: THE SOMNIUM FILES - nirvanA Initiative
11 Sep 2025
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Bibi makes a choice. Always, she decided to stay with her sister. Always, she protected her. Letting go, however, is impossible. Inseparable, the Okiura's adopt Bibi and Mizuki as a pair, raising Mizuki as their daughter, and leaving Bibi to be Mizuki's shadow only. Finally, after years of abuse and neglect, Renju decides enough is enough. The girls deserve more. Unfortunately, all he can scrounge up is his pron mag addicted friend who lives in a shitty downtown apartment. It is, nevertheless, an upgrade, and hey, Date at least will mean well.
A series of choices got them here, and now, a series of choices will decide if and how they heal.
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Kiara Hoshi, a 19 year old officer working at ABIS. Pursuing her dream of becoming, well, a detective with her worst (best) AI friend Fara. Perverted, annoying, basically female Date.
It's been 13 years since her parents left her and her older sister alone. Being clueless and naïve back then, she hoped they'll come back.
Now, she's solving the mystery of a faceless murder. Her first homicide case... Stressful? Yes. Is she determined to win, as she puts it? Also yes.
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Date tries to get advice from the women in his life about what to do about Mizuki's recent outbursts.
Series
- Part 2 of ResoRoute Angst
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Moma wakes up from the sweetest dream, one where Tesa thanked him and called him the best! For what, he didn't know. But he was sure to go find her and make it happen in real life!
Fluff Bingo Prompt: You're the best!
Series
- Part 6 of Fluff Bingo
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Two Detectives Walk Into a Bar by ashkazora
Fandoms: AI: The Somnium Files (Video Games), Zero Escape (Video Games)
26 Mar 2025
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Summary
Two detectives walk into a bar. It sounded like the start of a really bad joke.
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In which: Date Kaname and Tenmyouji Junpei are drinking buddies. This changes nothing, and everything.
Series
- Part 1 of DateJunpei Extended Universe
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Half to Whole: Case Notes by Red_Acted (96percentdone)
Fandoms: AI: The Somnium Files (Video Games)
22 Mar 2025
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Summary
When Lien Twining discovered a guy trapped in the basement of the Horadori Institute of Genetics, he dropped a new case focused on the mysterious and extremely uncooperative "Kubo Uru" directly into ABIS' lap. Detectives Kuranushi Mizuki and Ryuki Kuruto have a lot on their plate now with this ongoing investigation, but this is not their investigation. These are their shared case notes.
Or, in other words, to prevent Half to Whole from having the most bloated word count of any fanfic ever posted to ao3, I decided the appendices and all their myriad updates would be better off in a separate fic in the same series. The word count balloons exponentially with every chapter update for h2w and is not indicative of how much there is to read; it's a consequence of trying to do appendices that update. It's not meant to be read as a standalone, but as a companion to Half to Whole, and it will not make any sense without reading that so read it and see just what happens. Or don't. Who am I to tell [you] what to do?
Well, regardless, the rules are inside.
Series
- Part 2 of Break The Chains of Fate
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How to Catch a Time-Traveler by neildylandy
Fandoms: AI: The Somnium Files (Video Games)
03 Jan 2025
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Summary
A few days ago—a few weeks ago—a few months ago—
Once upon a time, a man named Kaname Date awoke to find himself in a world that was six years older than it should've been. With the HB Case finally closed for good, there's nothing left to do now but stand up and face it.
Almost nothing, anyway.
(The more things change, the more they become what they've always been.)
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When the person who is supposed to offer you the most protection causes you the most harm?
- Language:
- English
- Words:
- 1,302
- Chapters:
- 1/?
- Hits:
- 157
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“So, Mam– ummf!” His question gets gracelessly muffled into the soft, velvety cushions of Marble’s very own couch. The culprit is, of course, none other than Tama. “Hey!” Ryuki pushes up and turns to look at his partner. “What the hell??”
“That’s what you get for pushing a beauty like me! Say sorry!” And with that, Tama pushes his head back down into the cushions, cackling all the while. This, of course, starts a sort-of brawling competition between them
Series
- Part 3 of AI: tama's friendly fire
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Renju was everything to Pewter. His lover, best friend, soulmate. And losing his other half left him completely devastated. But what happens if he wakes up one cold November morning with all the knowledge of what was to come? Would things be different?
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“(L/N)?” Date softly called out your name, causing you to stop in your tracks and your head to immediately snap back to him. His frown was still present, which made you feel worse for your attitude. It wasn’t his fault. “I miss you.”
You must have sat there and processed his words slower than a snail’s pace, because that caused him to look even more guilty. Before he could say anything else, your last brain cell finally got the hold of you, managing to quickly save yourself from the awkward situation. “I miss you too.”
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You're invited to Uru's 30th Birthday, Hosted by A-Set at the Furue Estate! Bring your finest mask!
Series
- Part 2 of 3/3/3
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Date drags Pewter to Marble for a night out to meet guys.
- Language:
- English
- Words:
- 10,225
- Chapters:
- 1/1
- Kudos:
- 17
- Hits:
- 322
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A very normal Christmas - Side: Ryuki by Ahiru09
Fandoms: AI: The Somnium Files (Video Games)
21 Dec 2023
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Summary
First Christmas after the HB case.
Series
- Part 4 of A very normal Christmas (AITSF)
- Part 11 of AI:TSF & AiNi
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Getting Hammered in the Afterlife by ZylerIsAFool
Fandoms: Marvel Cinematic Universe, Iron Man (Movies)
05 Sep 2023
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Tony dies after Endgame and runs into a familiar face. The adjustment period after dying makes you a bit more charitable to people you know, it turns out. So naturally, they get drunk together and fun stuff ensues.
ft. Parent Appearance (terrible) -
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Summary
In an unlikely twist of fate, Mizuki Kuranushi finds out she has more in common with Kaname Date than she'd initially thought.
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Date's only here so he can put food on the table and see Ritsuko on occasion, so why does he keep bumping into this walking twig of a man who looks like he's barely out of college? Seriously, it's been at least three times now.
(In which Ryuki is a popular TV star in the latest mystery drama series that has all of Japan buzzing. Date, a security guard who's never heard of either until now, doesn't get the hype.
He gets it eventually.)
[ Written for RyuDate Week 2023 - Day 2:
Nightmare| Stars ]Series
- Part 2 of RyuDate Week 2023