MEYD-201 My sister-in-law seduced me at my wife's parents' house. Azuma Rin

When I went back to my wife's parents' house, my sister-in-law and her husband were also there. During that short time, I developed a secret that I couldn't tell my wife... My wife and I love each other so much that we have sex every day, and we get along well, but my sister-in-law and her husband only have sex once a week, if that. As her sexual frustration grew, she directed her desires at me, a relative... Although I felt a sense of guilt about the complicated incestuous relationship between my sister-in-law and brother-in-law, I felt a pleasure and excitement I had never experienced before...