Kurogane no Linebarrel  

Linebarrels of Iron, 鉄のラインバレル, Kurogane no Linebarrels, Kousetsu no Hana, Android Musume

The narrative of Kurogane no Linebarrel unfolds in a made-up world where the protagonist is a 15-year-old boy named Kouichi Hayase. He escapes his childhood bullying by fantasizing about being a hero. His life takes an unexpected turn during a school trip in 2016 when a satellite falls from space, causing him to be put into a coma for six months. Upon waking up, he discovers that he has gained extraordinary abilities such as superhuman strength.