Operation High-School Manga Volume 1

The first volume of the 86 -Eighty Six- Operation High-School alternate universe spinoff manga. The chapters were originally published in Media Factory's Come Alive magazine, with the first chapter being released on June 27, 2020. They were later compiled into a volume, edited by Kadokawa on January 21, 2021.

Synopsis
This spin-off of 86 takes place in a world where none of the tragic events occurred and the war never happened. Shin, Lena and other characters are enjoying their normal high school life akin to the one in Japan.

Contents

 * Chapter 1: The School Rules Are Absolute
 * Chapter 2: Encounter After the Cleaning
 * Chapter 3: Festival Preparations
 * Chapter 4: A Festival For Two
 * Chapter 5: A Different Festival From the Usual
 * Chapter 6: The Destiny of Summer Vacation
 * Chapter 7: Breaking the Rules and Meat Buns
 * Chapter 8: Maze at the School Festival