[UNCENSORED-LEAK] MVSD-672 My best friend's sister is kind of sexy, right? My best friend was away and my black gal sister took my virginity in the closet. An erotic summer memory. Rio Rukawa

This is a sweet and erotic memory of one summer with my crush, Rio... My name is Masa. I have a secret crush on someone. She's my childhood friend from elementary school, my best friend Makoto's older sister, Rio. Of course, Makoto doesn't know this. Rio is a gyaru, a bit rough and lazy at times, but she's always kind, smells nice, and somehow strangely erotic. One day, I lent her to Makoto...