ALDN-435 Wife friend: Suddenly raw Shirakawa Hanasei

My wife and I were both divorced and remarried five years ago. My wife had a son from her previous marriage. That son is now an adult and married. So I was like a distant relative and met my wife's son once every few years. That was the kind of relationship we had. My wife and I were both older when we remarried, but we had surprisingly good sex at night, about once a week. However, I've always had a hard time with children, so I always used a condom during sex just in case we didn't have a baby. Recently, my wife and a friend she met at a women's group got along well with their family. From my wife and I'm a young couple, about the same age as our child, but we got along really well, and I was secretly looking forward to meeting them... Then, one day, I witnessed my wife's shocking appearance...