I heard a rumor that my childhood friend, whom I'd always had a crush on, had become a sex worker... Then, out of the blue, I got a message from my childhood friend, Rin-chan. "I need to stay over for a while starting today." She's always so sudden... While I was wondering what to do, the doorbell rang. It was Rin-chan. From that day on, we began living together. Rin-chan felt bad about staying for free, so she soothed me with her expert sex work skills. "Looking at this..."