My wife's friend suddenly wanted to have sex without a condom. (Aoi Yurika ALDN-373)

My wife and I remarried five years ago after both of us had divorced. She had a son from her previous marriage, who is now an adult and married, so my relationship with him is like that of a distant relative; we see each other every few years. Both my wife and I remarried later in life, but surprisingly, our sex life is remarkably compatible, about once a week. However, I've never been a fan of children, so just in case, I always use a condom during sex. Recently, my wife met a friend at a women's association, and we got along very well with their family. From our perspective, they are a young couple the same age as our son, but we have a particularly good relationship with them, and I secretly looked forward to meeting them. Then one day, I witnessed my wife's shocked expression…