It ran in Grand Jump and later on Shōnen Jump+ .
Written by HiRock and illustrated by Shinya Komi, the manga began in 2015 as a remake of Komi’s earlier work, Ex-Vita . Ex-Arm
Ex-Arm is a science-fiction series that began as a Japanese manga but became globally infamous for its disastrous 2021 anime adaptation. Originally intended to be a flagship "Crunchyroll Original," the anime is now frequently cited by fans and critics as one of the worst anime ever produced. 📖 The Manga Origins It ran in Grand Jump and later on Shōnen Jump+