This series was adapted from the light novel. 86 - Operation High School (Spin-Off) -> https://bato.to/series/95036/86-eighty-six-operation-high-school 86: Run Through the Battlefront (Sequel) ->not on bato 86 - Eighty Six - Fragmental Neoteny (Spin-Off) -> https://bato.to/series/104928/86-eighty-six-fragmental-neoteny Extra: Vol.3 hasn't been officially released yet Support the author Resource links: https://magazine.jp.square-enix.com/yg/introduction/86/ https://global.bookwalker.jp/de3e0e5db0-2c2e-4deb-bf30-868616193a28/86--eighty-six-vol-1/ NOVEL(EN): https://www.novelupdates.com/series/86/