A story of unhappy youths and the perils of lack of sex education.
| Actor | Role |
|---|---|
 Kyoko AoyamaReiko Mamiya | Reiko Mamiya |
 Tatsuyoshi Ehara(uncredited) | (uncredited) |
 Akira Kubo(uncredited) | (uncredited) |
 Keiko MiyaTamae Konishi | Tamae Konishi |
| EEmiko HainoChiyoko Hori | Chiyoko Hori |
 Keiju Kobayashi(uncredited) | (uncredited) |
| KKieko SawamuraTaeko Kawasaki | Taeko Kawasaki |
 Chieko NakakitaKayo Konishi | Kayo Konishi |
 Sachiko MuraseKimi Mamiya | Kimi Mamiya |
 Eitarō OzawaJunzo Mamiya | Junzo Mamiya |
 Hisao Toake(uncredited) | (uncredited) |
 Fuyuki Murakami(uncredited) | (uncredited) |
 Noriko Honma(uncredited) | (uncredited) |
 Toki ShiozawaSetsuko Saeki (uncredited) | Setsuko Saeki (uncredited) |
 Yuriko HanabusaUme Sakai (uncredited) | Ume Sakai (uncredited) |
| KKatao Kawasaki(uncredited) | (uncredited) |