清晰光滑的皮肤，一个热辣的漂亮女人，唤醒她的母性本能（第1部分）

A little bit of an adventurous adolescent life with Riko, a beautiful girl who loves uncles! Miraculous beautiful girl with white skin and cute big tits who invites uncles to come over! A page of youth full of transparency! A secret experience of a perverted student who is a pervert without a rubber! She invites her uncle to have sex with her with a youthful smile, and then she makes him think that there is no one as nice as her uncle among her classmates, and then she pours herself inside of him!