In this mecha‑styled saga, Prince Edward Mito of the Edon Star, known as Mito Mitsukuni, embarks on a galactic journey with his loyal servant Baron Kalkus, the Duke Skead, and the ninja girl Shinobu. Disguised as Bocchan, Suke, and Kaku, they aid oppressed peoples across the stars while fighting alongside the colossal super‑robot Daioja.