Since losing her beloved husband, Alisa has been quietly raising his son Ryu while living alone. One day, she receives a marriage proposal from Sato, whom she met and started dating at work. For Alisa, who had been struggling financially, this was a welcome offer, and she considered it positively. However, Ryu insisted, 'I want it to be just Mom and me.' Afterwards, the relationship between Alisa and Sato deepened, and they frequently indulged in their affair. But through the cracks... Ryu's gaze could be seen. Watching Sato devour Alisa's ample breasts and hips, Ryu's jealousy burned fiercely. And an abnormal desire for his 'mother's' body had awakened within him...
