Nao, my sister who had been living an otaku life in the countryside, moved to Tokyo right after graduating from university. Since she didn't have a job or a place to stay, she decided to live at our house until she found one. However, our nightly activities were far from mild, and Nao was shocked. The intense pounding that seemed like it would break her, the moans that sounded like screams, and my body arching as I reached climax multiple times—Nao couldn't help but get wet watching this. Unable to contain her overflowing desires, she decided to take bold action...
