A new wife is frustrated when her husband's job calls him away and she turns her attentions to her new step-son to help her deal with her new problem.

Taichi watches as his uncle's wife and co-worker, Kumiko, struggle with a troubled marriage. Kumiko finally decided to divorce her uncle. Taichi feels his body heat up as he comforts her own little mother. Eventually, the two begin to covet each other while riding the heated atmosphere.

Takashi goes to university and starts living in his uncle's house in Tokyo. However, his uncle's affairs and abuse brings coldness to the house and Takashi has to comfort his young aunt. One day, he starts comforting her physically...