Calling a prostitute resulted in my mother-in-law showing up! (Yamaze Miki LUCY-004)

I went on a trip with a friend, leaving my wife at home. I couldn't resist and decided to call a prostitute. I gave her the address, and to my surprise, it was my wife's mother! We were both embarrassed, but my mother said she had nothing else to do and it would be a waste for her to go back, so she invited me. Now, I'm just the client, and she's just the prostitute. We reminded each other, and then we kissed...