About “Linebarrels of Iron”
Linebarrels of Iron is a Japanese manga series written by Eiichi Shimizu and illustrated by Tomohiro Shimoguchi. It was first serialized in 2005 in Champion Red, a monthly seinen manga magazine published by Akita Shoten. As of October 20, 2014, the series had been collected into 24 tankōbon volumes. The story follows Kouichi Hayase, a 14-year-old boy leading an unremarkable life. After an accident, he becomes the pilot of a massive robot known as "Linebarrel" and meets a mysterious girl, which changes the course of his life. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
Some summaries adapted from Wikipedia, CC BY-SA 4.0.