I met my first girlfriend, Ichika, at a volleyball club. She's cute, kind to everyone, and has big breasts. I've always liked her, and when I took the plunge and confessed my feelings to her, we were able to start dating right away. I was happy and thought that happy days would continue. However, he gradually begins to notice that her behavior is not normal. That was because she had a low concept of chastity and would have sex with anyone. One day, I saw him being passed around by all his friends in the circle with smiles on his face...