Yuuji, who stayed over at a friend's house, had been curious about his friend's beautiful and lovely mother, Sana. That day, he was just stealing glances at Sana's butt and cleavage from the corner of his eye, but when he woke up in the middle of the night to go to the bathroom, he caught her in the act of masturbating in her bedroom and recorded the entire scene with his phone. The next day, he showed her the video of herself orgasming from masturbation and forced a relationship...
