Overview

Urara is a childhood friend who lives in the same apartment building. As Urara grows, her breasts, which used to be flat, are getting bigger and bigger. Urara, who is not good at studying, often came to me to ask me to teach her, but after I saw Urara having sex with my father, I didn't realize she was a woman, so I started watching Urara's huge breasts. I'm starting to worry about...