Maiko who lost her husband early and raised a young child Kosuke alone. But as her son resembled her beloved husband, her body agonized over secret desires and she continued to emanate alone. Kosuke also had more affection for her mother than her family, and spent time hiding her feelings from each other. And she finally shook up his cock with her benevolent hand, she said, "Only tonight, first and last ..." on the eve of her Kosuke's marriage. However, the lust that has been hidden for many years pushes them to further pleasure ...