Hidemi Satô

After a married businessman has his way with a young prostitute he takes good soak in the bath. When he returns to the bedroom he discovers her bloody body. Suddenly two men enter the room with cameras proceed to blackmail him. At first they just want money but when they find out the businessman has a sexy wife she becomes part of the payment.

Yuko becomes a teacher at an all-boys school. She just spends her days going back and forth between her home and school in vain. And then there was her 30th birthday, which she celebrated alone. At a boutique she stops at to relieve her loneliness, she meets Seiichi, a young clerk. Coincidentally, she is revealed to be the lover of Hideko's younger sister, and before she knows it, they begin to spend sweet nights together.