I just found out there is a spin off manga 86 Eightysix operation

The story of 86 and why it's brilliant

86 Eighty-Six Series Exceeds 1.8 Million Copies in Circulation

86 Manga FAQs : r/EightySix

» 86 Eighty Six

86 -Eighty Six- Fragmental Neoteny - MangaDex

86: Anime review & thoughts - Geeky Travels & Fandoms

Manga, 86 - Eighty Six - Wiki

Operation High-School Manga Volume 1, 86 - Eighty Six - Wiki

» Archive » 86 Eighty Six ends its operational pause

Translated] Eighty Six SD Comic #25 (Final Chapter) : r/EightySix

My Hero Academia - Wikipedia

86 — Eighty-six — Operation High-School manga - Mangago