MKON-025 I'm really sorry... Sachiko was f** by a classmate to promise that she would let him fondle her older sister's breasts.

I made a promise to my friend to fondle my sister's breasts... - When I told my sister about it, she said, ``...that's okay.'' - To be honest, I thought she would refuse, and I was shocked to see her not having any sense of chastity. - After all, there's no point in letting someone you don't know touch your breasts! - I didn't feel like she had a boyfriend until now, but I guess she was actually a bitch. - Just like that, the guys from my class came to my house. - From now on, your sister's breasts will be fondled...