Yuken Odajima is one of the Ozawa Hitoshi of Housen. He serves as an advisor to Sachio Ueda.Yuken is known as a calm tactician individual. Yuken also has a knowledge about the delinquency world both inside and outside Toarushi area. Yuken is mostly seen wearing a long sleeve open shirt loosely over a sleeveless shirt. He has a long blond hair to which he ties it back. He wears a purple lens sunglasses when he is not fighting. He also wears the standard gray uniform of Housen at some instances.