Obayashi, a top student at the art school, falls into a slump. His genius has led to a heightened sense of realism, making it impossible for him to create something truly satisfying. Hibiki decides to help him by taking off her clothes, believing that "you can't truly depict a woman unless you've experienced one." A secret lesson begins. Hibiki, who is inexperienced in sex, gradually becomes more involved with Obayashi. What started as a pretense gradually blossoms into a genuine connection between them...