Reiko, a teacher at a high school in Tokyo, is in her thirties and at the peak of her career. She married young but has no children and feels dissatisfied with the routine sex with her husband. Reiko has a secret she can't tell anyone. It's that... she harbors an abnormal longing and idealization for 'older women' and skillfully guides her students, who are in the throes of puberty, into secret physical relationships to alleviate her daily frustrations with young men.
