GNAX-057 Big-breasted wife Ayana Rina, trained by a fertility specialist in advanced daytime techniques her husband can never see

One day, the husband’s sister-in-law comes to visit a sexless married couple. The modest wife is pointedly told that she has not been able to have children. At the sister-in-law’s urging, she begins fertility treatment, and a humiliating procedure begins. As her senses are awakened for the first time, indecent forms of training draw out Riko’s physical desires. Before long, Riko is transformed and becomes captivated by sex…