Best Short SeriRei Fanfics
SeriRei novellas — 10k–50k words, perfect for a weekend. All curated from AO3 and ranked by kudos.
Top 7 Short SeriRei Fanfics
Ranked by AO3 kudos. Mid-length SeriRei fics — 10,000–50,000 words.
Trauma, or Trains
by SoHoldMeTight
Set after s2 OVA. Reigen Arataka is a brave man, but he’s still afraid of trains after the Hot Springs. Can Serizawa help him open up and accept help?
Your Best American Girl
by the_ULTIMATE_ratLord
5 years after the down fall of Claw, Suzuki Toichiro gets a second chance thanks to Reigen Arataka.But he never expected to fall in love with him.
Should’ve Stayed Sober (But should I have?)
by k1t_Katcreatr
How to not face your feelings: don’t take him to your apartment after the bar. My interpretation of how these two got together. Takes place after the spinoff ~~ His sobs had died down. Serizawa turned his head to rest his cheek on Reigen’s collar, feeling the dampness of his tears that had settled t
Summer Vacation
by Cookie_Of_Da_C0SM0S
Shou surprises everyone with the news that he has been given free access to a family villa. Determined to use it as a chance to hone their abilities, bond, and have a good time, the gang decides it's a perfect way to spend summer break! Focus on Ritsushou and Terumob with a little Serizawa and Reige
Level Up
by R3go
Reigen was low on money, like, really low. He had to figure out something to do and quickly because Spirts and Such just wasn't cutting it. Being strapped for cash and out of options, Reigen became desperate to find something to keep him off the streets. Now imagine Reigen's surprise when Mob mentio
Helianthus Annuus Taiyo
by AmbiguouslyRandomAbsurdity
Reigen Arataka is a lonely boy living in the serene Seasoning City, Ramen Egg prefecture. Since the sudden shift from his life in the big city of Tokyo with his mother, Arataka is now under the care of his maternal grandaunt, he has to make the effort to survive everyday in the fight against the spi
After All This Time (Traducción al español)
by YunaM00n
Hanazawa Teruki se reencuentra con su primer amor tras varios años fuera del país, descubriendo que, después de todo ese tiempo, aún lo amaba. Y que esos años habían hecho cosas maravillosas en Mob
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Why Read Short SeriRei Fics?
Novella-length SeriRei fics — roughly 10,000 to 50,000 words — let writers fully develop a single AU, trope, or relationship beat without sprawling. Plenty of time for setup, payoff, and a satisfying ending; not so much time that you're juggling fifty bookmarks.
Great for trying a new author or testing whether you'll enjoy a sub-genre before diving into something longer.
About This List
This list of 7short SeriRei fanfics spans 88,636 total words. Kudos range from 7 on the newest entries to 79 on the most established. Most entries are ongoing works, so subscribe on AO3 for update notifications. The most common rating is Teen And Up Audiences (4 of 7 fics).
Recurring tags across this list: Autistic Serizawa Katsuya · Fluff.
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