He enjoys manipulating people's thoughts and actions. He pretends to be a happy and good-natured guy and is always in the spotlight. He secretly does whatever his sister tells him to and doesn't let anyone find out, it's his biggest secret. He's had countless girlfriends, but he hasn't stayed with any. There's only one person he can't manipulate and he knows his biggest secret and real personality, a boy named Asahi, who Sou is secretly in love with.