Ichiro is temporarily staying at his aunt's house, which is close to his new workplace. With his uncle away on a long business trip, Ichiro finds himself living alone with his aunt. Soon, uncontrollable desires begin to stir within him. After confirming that his aunt is in the bath, he secretly sneaks in to sniff her underwear. One day, as he indulges in the fresh, warm scent of her recently removed panties, he suddenly comes face to face with his aunt. In that instant, Ichiro's emotions spiral out of control.