Shigeshiro Kobayashi

Two rival gangs of gangsters clash for dominance of a neighborhood.

Kota and Kosuke, from the Hikyaku-ya shop in Edo, went to Kyoto. Contrary to their carefree appearance, they carry a secret letter concerning the Aoba clan from Kyoto. A samurai who calls himself Okuma Danemon joins them on their journey, and soon people begin to appear one after another, seeking to get a secret letter...

Kinshiro takes over the family, but he thinks he is going to replace the son of his stepmother but runs into trouble when he befriends the yakuza.