Reiko (50), a wife, was recently troubled by the fact that her husband, who had not had sex for over ten years, had started taking aphrodisiacs and was now asking for sex wherever he wanted. One day, the son of the neighbor (Tsutomu) asked Reiko to help him study for a job exam, and Reiko readily agreed. However, Tsutomu had always seen Reiko being desired by her husband, and knew that Reiko's body, which had rejected him, was actually craving his penis so much that she could not resist it, so he told Reiko...