Modified Human. An ex-member of DA-5 like Takeo. The leader, founder, tactician of RK-5: "No. 1". Charming man with black, bowl-cut hair covering most of his forehead with a white strip on the right side. Grey eyes. Paints his nails black. Tall. Slim. Kind. Social. Carefree and relaxed. Sociable. Talkative. Adaptable to surrounding. Too focused and absorbs in thought leads to carelessness to surrounding. Has strong bonds with Takeo and M-21. Finds amusement in pranks. 