I came to Tokyo to study at university, but I spent a sleepless night surrounded by the gasping voice of Yuka, a married woman who lived next door. I couldn't believe this ferocious, beast-like voice came from a neat and elegant looking girl. One day, Yuka-san invited me into her room because I had insomnia. Then, as soon as I entered, she became a female beast and wrapped herself around my body...! Yuka-san's wet and relentless caressing made me unable to think, and I just continued to play with my erect cock.