Beneath her innocent appearance lies a hidden desire. Momoko, a beautiful girl with pure, translucent skin, gives off an impression of purity and naivety at first glance. Yet, lewd stains are found on her underwear—evidence that she has already discovered the pleasures of sex. As she accepts a man's desire, she is drawn deeper and deeper into ecstasy. Behind her sweet smile lies concealed temptation and depth. Contrary to her innocent image, her allure grows ever stronger.