Momoka's melancholy is from her heavily laden chest. She hates the boys who gather around her with only sex on their minds. But her current boyfriend taiyoh is kind and fresh....... Maybe he could accept my...

One day, the protagonist "Iyori" witnesses the teacher she had a crush on kissing someone. She starts crying in shock, but is caught by her stepbrother "Natsume." What does he propose as a means of helping...