HUNTC-600 · "I'll Jerk You Off Gently!" "Is It Coming?" "Wait, Stop!" Serious Study Session Turns Into Erotic Cock Study! 2

A serious study session turns into an erotic cock study session! But it's my fault! I'm timid, but my academic scores are high. Before every test, my female classmates always come to my room for a study session, and I'm always the one teaching them! The problem is, the girls who come over wear short skirts and are completely defenseless, so I'm constantly seeing their panties! Looking at that, I can't concentrate on studying and end up getting an erection... I try to hide it in a panic, but I get caught. Just when I thought they'd find me gross, the girls became curious about my erect cock, and the "cock study session" began... They thoroughly investigate the mysteries of the male body that girls don't know about...