Sex games by students at a junior high school are exposed by the principal and teachers, but the tables are turned in favor of the students.
Junko Natsu
Jiro Okazaki
Yuki Jōno
Oh Ranfan
Yumiko Arizaki
Masami Maki
Mitsuko Tanaka
Rumi Goto
Ruoko Ikedo
Yasuko Ogura
Kan Yanagiya
Hiroshi Tachikawa
Isao Tamagawa
Seizaburō Kawazu
Keiko Fuji