Kurogane no Linebarrels

Kurogane no Linebarrels is a robot cartoon while serializing it by champion RED (Akita Publishing).
The author starts TV animation by Eiichi shimizu and Tomohiro Simoguchi in October, 2008.

The accident that happened on the aquapolis construction site to which it went by the social studies field trip was announced in 20113 of Kon futuristic the accident because of the fall of the space satellite afterwards. The boy of the story hero of the victim with the accident woke up from the accident after half a year, and something changed in the boy.

Hero's boy is originally bullied and has become a factor due to the fall accident of and the line barrel.