Keiji Kobayashi

Birthday: June 30th

Age: 32 years old

Hometown: Kyoto

Kobayashi is the homeroom teacher of class 2-3 at Narimori Girls' High School and is a math teacher. He is also the volleyball club advisor. He always wears a polo shirt. Kobayashi is good friends with Hoshi-sensei and sits next to him in the staff room.