Riko is my childhood friend in the same class. One day, while studying for exams together, I touched a girl's breasts for the first time at Riko's behest. Ever since then, whether it's at school or after classes, I can't help but be obsessed with Riko's breasts. Whenever I have free time, I spend my days sneaking touches of her breasts. And especially knowing that nipples feel good, the two of them...
