Married woman stalked by ex-husband and then sleeps with him; Hojo Maki NGOD-004

Five years ago, my wife and I got married but still didn't have children. Although it was my first marriage, my wife had been divorced once. One day, my wife said that her ex-husband often followed her. I initially laughed it off and didn't think much of it, but one time I saw my wife and her ex-husband having sex...