My partner for the school festival committee was Yamada-san (Kashiwagi Konatsu-san). My faint hope of becoming friends with a cute girl vanished in an instant... Then one night, after hanging up the phone with Yamada-san, I heard moans coming from the other end—!? I got caught eavesdropping, but ended up masturbating together...!? I spent my days enjoying a fulfilling masturbation life using Yamada-san's whole body. And then there was the popular girl in class (Aizawa...