I met my first girlfriend, Ichika, in our volleyball club. She's cute, kind to everyone, and has big tits. I've always liked her, so I finally worked up the courage to confess, and we started dating right away. I thought we'd have happy days together, but gradually, I noticed something was off about her. It turned out she had a low moral compass and would sleep with anyone. One day, I caught her smiling and being intimate with all the guys in our club...