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1. What else are Big Brothers for? by EtherealNonsense

   Fandoms: 呪術廻戦 | Jujutsu Kaisen (Anime & Manga)  

   • Mature
   • Underage Sex
   • M/M
   • Complete Work

   26 Aug 2026

   Tags

   • Underage Sex
   • Itadori Yuuji/Sukuna | Ryoumen Sukuna
   • Itadori Yuuji
   • Sukuna | Ryoumen Sukuna
   • Dry Humping
   • First Time
   • Incest
   • Sibling Incest
   • Coming in Pants
   • Skit Week 2026
   • Possession
   • No penetration
   • Possessive Sukuna | Ryoumen Sukuna
   • Mentions of Fushiita
   • Just a big brother teaching his little brother about sex
   • Alternate Universe - School
   • Five year age difference
   • Brother/Brother Incest
   • Top Sukuna | Ryoumen Sukuna
   • Bottom Itadori Yuuji
   • Making Out
   • Mild Ice Play

   Summary

   Yuji was nervous about the idea of losing his virginity to his best friend, fearing he would be bad at it, so he turned to the only person he knew could help; his older brother Sukuna.

    

   Skit Week Day 3 - School AU, First time, Dry humping, Incest

   Language:

   English

   Words:

   2,785

   Chapters:

   1/1

   Collections:

   1

   Comments:

   8

   Kudos:

   150

   Bookmarks:

   7

   Hits:

   1,042