Sugihara, a North Korean, began studying at a Japanese high-school. Since his father was an ex-pro boxer, Sugihara knew how to fight other Japanese boys who challenges him to a fight because of his nationality. At one party Sugihara meets a girl who would only let him know of her family name: Sakurai… Based on the [novel of the same name](https://en.wikipedia.org/wiki/Go_(Kaneshiro_novel)).