My childhood friend (who is not interested in sex) was like a male friend, and became a middle-aged man's sex masochistic slave.

I was confused by my childhood friend I had met for the first time in several years. This is because she was unconscious about fashion and had no makeup on, but she was as sexy as someone else. I couldn't help but ask what has happened in the last few years. Without realizing that I would have regretted not asking...