Sou has bright green hair and large jade eyes, causing discomfort. His short and wavy hair is cut in a rattail style.He's standing a little hunched over. His outfit consists of a black suit, a red tie and the same scarf that Shin Tsukimi wears.A cruel and crafty man shrouded in mystery. He seems to have somewhat sadistic tendencies. Sou enjoys teasing and intimidating others for his own amusement, even in dangerous situations. He likes to embarrass others and make fun of them.