Main Characters
Risa Koizumi
24 main appearances
Atsushi Ootani
24 main appearances
Nobuko Ishihara
9 main appearances
Chiharu Tanaka
9 main appearances
Heikichi Nakao
9 main appearances
Recurring Guest Characters
Haruka Fukagawa
6 guest appearances
Umibōzu
3 guest appearances
Seiko Kotobuki
3 guest appearances
Kiyoji Nakano
2 guest appearances