Wife's friend: Suddenly gave birth to Shirakawa Hanayoshi ALDN-435

My wife and I are both divorced and remarried, and it's been five years. My wife has a son from her previous marriage. That son is now an adult and married. So, my relationship with my wife's son is like that of distant relatives; we only see each other once every few years. Although we are both relatively old when we remarried, our sex life at night is surprisingly good, about once a week. However, I've never liked children, and to prevent pregnancy in the unlikely event, I always use a condom during sex. Recently, my wife has been getting along very well with a friend she met at a women's association, and the whole family has been spending time together. From our perspective, that couple is about the same age as our son, but they get along very well, and I was secretly looking forward to meeting them... And then, on that day, I witnessed a surprising side of my wife...