Masa works for the Seto family. He has afro hair and always wears dark glasses, and is dressed in an elegant suit. Masa is the man who gave Michishio his first kiss. Actually Masa, doesn’t understand women much, but probably he is just not interested in them. Michishio’s mother also has a crush on him. Masa doesn’t only look like a serial killer but is almost always calm and cool. He even tried to help Michishio to learn dancing, but he was no help at all. Masa becomes a teacher in Michishio’s and San’s school.