It's been two years since Sayaka moved away from her two sons due to her husband's job transfer. She couldn't have sex with her husband and spent her days alone, feeling frustrated. Sayaka, one day, a rare opportunity presented itself. On the day her husband went on a business trip overseas, Sayaka planned to invite her two sons over to her house and indulge in some sex. But on that day, only her eldest son, Kenichi, showed up. Sayaka was taken by surprise, but she quickly went for Kenichi's dick...