Yuken Odajima is one of the Ozawa Hitoshi of Housen. He serves as an advisor to Sachio Ueda. Yuken also has knowledge about the world of crime outside Toarushi area. Has average height (1.75cm) and long, blond hair, which he usually ties back, and wears sunglasses with purple lenses when not fighting. Most often wears a loose, long-sleeve shirt over a sleeveless shirt. He is smart, calm, fast, experienced in combat, dangerous. He can kill for those he loves and will never let them be offended.