Mirai had developed an intense desire to be ravaged by a man immediately after losing her virginity. It all began with a sexual encounter with her private tutor. The pleasure she experienced was unforgettable, leaving her restless and tormented every day. One day, after reading a post on an online bulletin board, she finally gathered the courage to take action. After finishing her college entrance exams, she decided to move to Tokyo and meet a man for the first time. A pure-hearted G-cup girl from the countryside heads to the big city with determination in her heart. But what awaits her—will she find encounters that satisfy her curiosity, or will she fall victim to the impure desires of older men?