Hayakawa Aya JUY-492, indulging in an affair with her husband's young student.

The husband's student, Kojima, visits to announce his upcoming marriage. Overjoyed, the husband drinks heavily, leaving his wife, Hayakawa Aya, alone with him. Kojima, caught in pre-wedding blues, can't resist pinning her down. Being touched by another man for the first time excites her; she wonders how thrilling it would be to be with a man so much younger than her, old enough to be his mother. Their bodies intertwine...