Rowdy Sumo Wrestler Matsutaro

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 ...

After his arrest and expulsion from school, Matsu's homeroom teacher takes him to town for job-hunting interviews. But on the way, Matsu learns his crush Reiko-sensei resigned from her teaching post and moved back to Tokyo. After every interview fails, Matsu has an altercation with a professional sumo-wrestler ...

Though Matsu got knocked out by sumo wrestler Iwanokuni, he won't take it lying down. He rushes to the public arena where the sumo troupe is entertaining the crowd, barges onto the ring, and challenges Iwanokuni to a fight. Headmasters of sumo stables take notice of Matsu's strength ...

Matsu goes to Tokyo with the sumo-stable located near Reiko-sensei's home, because why else would he want to go to Tokyo anyway? Matsu however quickly angers his fellow sumo acolytes and professional senpais with his boorish disrespect. But never mind them, he must first visit Reiko-san ...

So Matsutaro got scouted and reluctantly decided to do sumo in Tokyo. But he never wanted to do sumo in the first place, so his motivation-level is zero. He refuses to wake up for morning training. He even slugs his senpai in the end. But the professional sumo-wrestler Inokawa steps in to teach Matsutaro a lesson.

Matsutaro had decided to become a sumo wrestler to impress Reiko, the lady of his dreams. But he's still not all that enthused about the whole idea. One evening he spends some time with a wrestler-to-be, Tanaka, who happens to be laid out with a cold. They play chess together and Matsutaro in a tantrum makes him cry; feeling bad for that, Matsutaro decides to help Tanaka make the beds for their...