“Ahh!” when her son's hand, who was massaging her shoulders, touched her nipple, yuko twisted her body and let out a seductive voice. A single mother household with a single child. She had put her own happiness on hold and desperately raised her child. But now that her son is becoming an adult, yuko realizes that the male-seeking instinct within her is awakening. Her son, who saw the woman in yuko, approached her excitedly. Yuko, who had awakened to nipple pleasure, could not refuse…