That night, there was a drinking party after work. Things got way more exciting than I expected, and I ended up drinking too much and passing out. Luckily, I ended up visiting the apartment of a junior colleague, "Hanamori-san," who I had secretly had a crush on. But she turned out to be a mischievous sadistic slut who would confine and toy with masochistic men! In her room, I was completely dominated by her masochistic pleasure, and she kept violating me in reverse anal. It was painful at first, but...