24 years old. Male. Possesses excellent ninjutsu skills and outstanding academic records. Though often described as cool and composed, he has a playful side. He is a flexible and admirable senior who is kind to his juniors. He has a short temper and is somewhat narcissistic. He has silky, long, straight violet-black hair and is quite beautiful. His skin is pale, and he has cat-like, perfect features. Former chairman of the Etiquette Committee and a former honor student at the Ninjutsu Academy. He is terrifying when angry. His specialty weapon is the Horokubashi (fire bomb). Ayabe Kihachiro was a member of the Etiquette Committee he chaired. Even Ayabe, who is strongly individualistic and tends to ignore everyone else, generally follows Senzo's words and respects him as a senior. He was a junior that Senzo doted on.