Rowdy Sumo Wrestler Matsutaro!!

Synopsis

Sakaguchi Matsutaro is a huge and burly man whose physical power far exceeds human norms. Unlike typical shounen protagonists, he never says things like "never give up" or "keep dreaming." Nevertheless, he is the undefeated champion of sumo, with no equal rival. His primary flaw is his easygoing nature. As time passes, he progresses to become a professional sumo wrestler.