Zenitsu Is 16 years old, he don't have a real family but he for basically adopted by his master,jigoro Who had another student, Kaigaku inadama.he's usually a crybaby and he's Always scared, but when he falls unconscius the stress leave his body and he fight really well, even if whit Only One Kata, the First one Zenitsu: Heard a sound AAA! WHO'S THERE!?