JUC-424 My Wife's Sister - Breast Milk Dripping as Seen on Hidden Camera - Rei Aoki

Yokoyama, a serious construction company owner, has been married for 15 years and with their children grown up, sex with his wife has become less frequent. He occasionally goes to a nearby brothel and his sexual desires have started to dry up. Meanwhile, his wife's younger sister, Rei, who is busy raising her child, finds out that her husband has been cheating on her and comes to their house to get some distance from her, leaving her child with her parents. When Yokoyama sees Rei milking with a breast pump while talking to his wife, he becomes aroused by the fact that she has become a fully grown woman and even thinks about having sex with her...