19-Year-old Xia Yu meets 29-year-old Shu Wen. Xia Yu is fascinated by Shu Wen's superficial appearance, which is like his first love. Shu Wen is overwhelmed by Xia Yu's cleanliness and purity. Both of them find a different version of themselves and a warmth they have never felt before...
Shu Wen said, "Forcing you into bed is as simple as one plus one equals two."
Xia Yu said, "Although it may seem difficult to force you into bed, I will never give up trying. You can give it a try. As long as you do it, I will definitely let you repay you in equal value, even if it lasts forever."