BarrageBarrage.

Barrage (Japanese: 戦星のバルジ, Hepburn: Sensei no Baruji; lit. Barrage on the Battle Star) is a Japanese manga series written and illustrated by Kōhei Horikoshi. It was first published in 2011 as a one-shot manga in Shueisha's Jump Next!, before being serialized Weekly Shōnen Jump from May to September 2012, with its chapters collected in two tankōbon volumes.