Takeshi Manganji is a member of the Manganji Dreams and the biggest rival of Kouya Marino. He was formerly a member of the Tobita Club and one of the teammates to Kouya's brother, Yuya Marino. He is the son of a wealthy family that runs their own company, the Manganji Group. Takeshi’s Gear is Gaiki, however in the first episode he is seen using Gougetsu to battle against Kouya.