Crown

Kentaro, a typical student at Giria Academy in the country of Kenko, becomes a target when Sigma, a neighboring kingdom, attacks and sends warriors to kill him. He is rescued by the Sanjuki, three renowned knights of Kenko: Tsubasa Sho Tenkuin, Shingo Go Daireiji, and Kyonosukezaemon Dan Kuronokuzu. Through them, he discovers he is the heir to the Kenko throne, changing the course of his life from ordinary to one of royal responsibility.