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

86: Anime review & thoughts - Geeky Travels & Fandoms

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

Interview with the Author of 86 EIGHTY-SIX

» Archive » 86 Eighty Six season 2 two looks promising

Anjerika

86: Anime review & thoughts - Geeky Travels & Fandoms

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Manga: 86 -Eighty Six- Operation High-School vol.1+2 Set. Printed in Japan.

86 -Eighty Six- Operation High-School vol.1+2 Set - Japan Manga

Interview with the Author of 86 EIGHTY-SIX

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

86: Operation High School Manga Spinoff Ends - News - Anime News

86 Eighty Six Magical Girl Regina Lena Spin-off Inspires Manga

Vladilena Milizé Daily💫 on X: Gorgeous🤍🙌 ✨~Manga spin off: 86

Read 86 — Eighty-Six — Operation High-School Chapter 1: The School