Ryota is a former housepet, whom he became after losing to Mary Saotome in a gambling match. However, due to Yumeko Jabami, his debt was repaid after she gave him money as thanks, becoming her first friend in the Hyakkaou Private Academy.
Ryota is a pale-skinned teenage boy of average height with neck-length messy brown hair and brown eyes. He wears the Hyakkaou Private Academy issue uniform that consists of a red blazer with black trim that lines the cuffs and collar and has gold buttons for decoration. He wears a white button-up shirt underneath with the top unbuttoned and a black tie. As well as a pair of gray-black colored school jeans with and brown loafers.