An adventure game in which you are to have horny days with a big-breasted, glasses perfect girl! Kamishiro Naoko, his classmate and the chairgirl of the school, is an adorable girl student for him. But she is bullish, cold, and misanthropic girl. She seemed even never thought of him...... One day, in the old building in the school he finds her masturbating. Urged by the impulse, he throws her down and take control. And he knows that she has had a crush on him. and told that she has a spasm which is ruining her body little by little.
