Even Mothers-in-law Want To Be Impregnated. Mizuki Narazaki

Mizuki, who had lost her husband, decided to live with her daughter and son-in-law. The daughter and son-in-law gladly accepted her, and the three of them began living together. As usual, the daughter and son-in-law started their intimate relations. Mizuki secretly peeked again and indulged in masturbation while watching them. On the day the daughter went on a trip, Mizuki observed her son-in-law and saw him handling his crotch alone. Mizuki pretended it was a coincidence and entered his room. She said 'It's okay' to her embarrassed son-in-law and gently smiled, asking 'Shall I help you?'