Nishimura Riki has always been a smart and very serious boy for his age. They were always a certain fear of the Japanese, both because of their sincerity and in other cases. Riki was challenged to many games, people tried to test how intelligent Nishimura could be, and it would be no different when Riki met a boy, somewhat more intelligent than himself.

In a chess championship, two boys were facing each other, about to start a game.