ALDN-270 My wife's mother and my father Akari Shinmura

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】 comes to our house to see her daughter's face and stays over, and we have been living peacefully. However, unbelievably... my father and my wife's mother had that kind of relationship... At that time, I couldn't even speak and just stood there frozen…