Parent apathy to sexual education leads to various troubles for the young cast.
Kimi, Haruo's mother
Hikoichi, Mayumi's father
Yasuzo, Haruo's father
Natsu, Mayumi's mother
Nobuyuki, Kyoko's father
Teacher Harada
Mayumi Nishida
Haruo Nomura (as Tatsuji Ehara)
Mitsue, Akira's mother
Kunio Mizutani
Kyoko Nakazato
Shizuko, Kyoko's mother
