Adult Content Warning

This work could have adult content. If you continue, you have agreed that you are willing to see such content.

• Yes, Continue
• No, Go Back

If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.

1. What In The Actual Hell!? (Literally) by Rey (Rey_Chakda)

   Fandoms: Haikyuu!!, 魔入りました! 入間くん | Mairimashita! Iruma-kun | Welcome to Demon School! Iruma-kun (Manga), 魔入りました! 入間くん | Mairimashita! Iruma-kun | Welcome to Demon School! Iruma-kun (Anime)  

   • Not Rated
   • Creator Chose Not To Use Archive Warnings
   • Multi
   • Work in Progress

   16 Oct 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Asmodeus Alice & Suzuki Iruma & Valac Clara
   • Hinata Shouyou & Kageyama Tobio
   • Tsukishima Kei & Yamaguchi Tadashi
   • Nishinoya Yuu & Tanaka Ryuunosuke
   • Andro M. Jazz & Shax Lied
   • Abnormal Class | Misfit Class & Suzuki Iruma
   • Hinata Shouyou & Karasuno Volleyball Club
   • Hinata Shouyou
   • Kageyama Tobio
   • Tsukishima Kei
   • Ukai Keishin
   • Takeda Ittetsu
   • Sugawara Koushi
   • Various Karasuno Character(s)
   • Karasuno Boys Volleyball Club Members
   • Shax Lied
   • Suzuki Iruma
   • Asmodeus Alice
   • Valac Clara
   • Andro M. Jazz
   • Sabnock Sabro
   • Purson Soi
   • Shimizu Kiyoko
   • Ix Elizabetta
   • Crocell Kerori | Kuromu
   • crackfic
   • Swearing
   • Silly
   • have fun reading?
   • Other Additional Tags to Be Added
   • Implied/Referenced Rape/Non-con
   • Tags May Change
   • Corny

   Summary

   Just what would happen if the Misfit class were to come in contact with the Karasuno volleyball team. After a small slip up with a new student in the Misfit class, guess what happened! They’ve arrived in Japan! Right in front of the Karasuno highschool boys volleyball team’s gym!

   //

   Welcome to Demon School Iruma-Kun / Haikyuu crossover muahahah

   Language:

   English

   Words:

   2,630

   Chapters:

   1/?

   Comments:

   6

   Kudos:

   7

   Bookmarks:

   1

   Hits:

   127