In the not-too distant past, there once was a young man with a huge body. His name is Sakaguchi Matsutaro, a legal adult who still attends junior high school, and has a crush on a teacher, Reiko.  One night he and fellow laborer Nishio go on a joy ride in a truck; Matsu is on cloud nine, but ...
Why'd you do that?
Warum hast du das gemacht?!
¿Por qué hiciste eso?
¿Por qué has hecho eso?
Por que fez isso?!