Tsukasa Shishio is 195cm and has long brown hair. He is 18 years old. He's is essentially violent, but extremely careful and aware of his actions, a very kind, thoughtful, and polite man outside of his pessimistic ideals towards humanity.This can be related to his personal background and history of being assaulted by those in authority. he cares about his little sister, Mirai who is in coma. He started fighting for her. He's now the famous for it as the strongest high-school primate