Linebarrels of Iron S01E01 - The Iron and the Boy

14-year-old Kouichi Hayase is a quiet student who is constantly harassed by the class bullies while secretly fantasizing about someday becoming a "hero of justice." His mediocre life takes a dramatic turn when he happens upon an accident and encounters a gigantic robot called LINEBARREL, as well as a beautiful girl Emi Kizaki who seems to have lost her memory.