PRED-068 Aika Yamagishi gets fucked by a beautiful older sister while she can't move.

[The whole story is called you! - Experience Aika Yamagishi's slut torture with a realistic binaural recording! - ] I, a student, decided to pretend to be lovers for just two days with Aika-senpai, a working adult. - ``You can't touch me, but I'm OK with it...♪'' A senior who plays with me sexually with his crazy theories! - There are many naughty incidents such as witnessing a senior's masturbation or having his sister peek at him! - Even after returning home, the senior's sexual tendencies continue to escalate...