I'm Toshi, 54 years old. My wife, Reika, is 43 years old. We have no children. Five years ago, we remarried as divorced individuals. My wife has a son from a previous marriage. That son is already an adult and married. So, our relationship with my wife's son was like distant relatives, meeting only once every few years. Although my wife and I remarried at an older age, our nighttime compatibility was surprisingly good, happening about once a week. However, I've always disliked children, and to prevent any possibility of having a child, I always used a condom during our nighttime activities. Recently, my wife had become close with a wife friend she met at a women's association, even as families. From our perspective as a couple, they were a young couple around the age of our children, but we got along surprisingly well, and I was secretly looking forward to meeting them... One day, I witnessed my wife's shocking appearance...