Ryusei has a very laid-back attitude. He is very calm, even in the face of very difficult situations. He is quite confident of himself, always calling himself handsome and that along with his friendly personality makes him very popular among his peers. He is very playful and likes to tease. He is also very cunning which makes it easy for him to mess around with people, he often messes with people for fun. He is the first division vice captain of Tokyo Manji and a leader of Yotsuya Kaiden.