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 ...
I'm so happy right now.
Ich bin gerade so glücklich.
Soy tan feliz...
Soy tan feliz...
Estou tão feliz agora.