The Sakakido family resides in a modern country where a Martial Shogun controls the government and samurai hold high regard. Amongst them live identical twins, Kou and Tsukiko. Kou possesses feminine traits, excelling in cooking, cleaning, arts, and crafts, while Tsukiko displays her masculinity through her love for combat and her exceptional fighting skills. The siblings stumble upon Samurai High School, a place where men showcase their strength and women display their femininity. However, to attend the school, they must switch identities, aware that discovery carries a punishment of execution. Thus, they must adapt to their new roles and keep their secret intact to avoid any mischief.
