Wife Friend, I Want To Be Naked From Out Of The Blue Reika Wakana

I'm Toshio. 54 years old. My wife, Reika, 43 years old. No children. Five years ago, we both divorced and remarried each other. My wife has one son from her previous marriage. That son is already an adult and married. So I had a distant relative-like relationship with my wife's son, meeting once every few years. Although we remarried at an older age, our nocturnal compatibility was surprisingly good, about once a week. But I've never been good with the idea of children, so to avoid any chance, I always used a condom during our nightly activities. Recently, my wife became close with a friend from the women's association, and our families were on good terms. From our perspective, they were a young couple around the age of our children, but we got along extremely well, and I secretly looked forward to meeting that couple... Then one day, I witnessed a shocking sight of my wife...