"Armed Armor" (鉄のラインバレル) is a robot manga by Japanese manga artist Eiichi Shimizu and Tomohiro Shimoguchi. It is currently serialized in ChampionRED magazine under Akita Shoten. In 2008, it was decided to be animated, and GONZO was responsible for the animation production. Koichi Hayase, a timid boy, encountered an accident three years ago when he visited the construction site of the maritime city under construction. He was seriously injured and on the verge of death. When he woke up after being in a coma for half a year, he became a militant with tyrannical genes, and he also gained an unknown mysterious power in his body...