ALDN-037 My wife's mother and my father Tadaso Yuri

My wife and I have been married for about four years. This man is my biological father. My biological mother passed away, and we live together with my wife. The woman here is my wife's mother, what you would call a 【mother-in-law】. Sometimes the 【mother-in-law】 stays at our house to see her daughter, and we've been living peacefully. But then, unbelievably...my father was in that kind of relationship with my wife's mother...At that moment, I couldn't even speak and just stood there frozen…