The story centers around Yuyu, a 17-year-old second-year J-pop idol. Though she's been acting more mature lately, she's still innocent and genuine. Next door lives a single, carefree man who subtly preys on Yuyu's youthful dreams. He's a man of leisure, seemingly unburdened by responsibilities, but his libido is off the charts. Yuyu lives with her parents next door to this man. He's been secretly eyeing her, captivated by her cheerful demeanor and friendly greetings. A golden opportunity to take advantage of Yuyu presents itself, but...