Shu is loud and outgoing. He's best friends with Ishikawa. He likes to play pranks on people and tends to be the one starting the games or activities done by the group. Everyone in the group finds Shu to be annoying. He's like the human form of a green ball of energy. Seemingly destined never to have a girlfriend, Shu spends much time bemoaning this fact. However, Shu doesn't set his sights on any particular girl, so nothing usually comes of this. It is mentioned that if Shu would just be quiet