The time is the end of the Edo period. The story depicts the life of Souji Okita, who is said to be a genius swordsman among the Shinsengumi members who protect public order in Kyoto, and also depicts the love that he had as a boy. Soji, who admires "strength,'' was recognized by Isamu Kondo and Toshizo Hijikata for his sword skills even as a boy at the Tennen Rishin-ryu Kondo Dojo. Souji hears about a boy who sells clams and can't stand up to even three neighborhood boys. Souji immediately goes to look for the boy... A full-fledged drama from the duo from "Seimaden''.