Akane and I have known each other for over ten years. She's thin but not too skinny, with a nice rack and ass. To begin with, she was introduced to me by a friend in the same adult industry, but she's not jaded and has a good personality. Plus, she's a slut and has strong M tendencies. Where Akane's strong masochistic tendencies come from, I don't bother asking about her background, and Akane doesn't talk about it either. Still, I could tell she had some unfulfilled need. Outside of work, we've had physical relations several times, shared meals, but we're not lovers. This strange relationship continued. In my younger days, I was into women and frequented the red-light district. Eventually, I bought streetwalkers from various countries and wandered around the world. But after falling seriously ill, I stopped seeing women, and Akane, whom I used to force myself on, is now just an old man's karaoke buddy. Thanks to fate, I took Akane on a hot spring trip for the first time in a while. Her status was that of a mistress. And as my sex slave●…
