Sayuri Yoshinaga, Yūjirō Ishihara, Ruriko Asaoka, Shirō Ōsaka, Mitsuko Miura, Sachiko Murase, Taiji Tonoyama, Kazuo Kitamura, Shoichi Ozawa, Shōbun Inoue, Kyoko Hori, Seijiro Takano, Yoshihiro Yamaguchi, Eiko Takada, Toyoko Takechi
Keiko is pretty and intelligent but her home life is not a happy one. Never having known a father's love, she develops a possessive attachment to Mr. Mazaki, the new mathematics teacher.