"Fangu Chengchen" or "反骨称臣" (The Rebel Who Submitted).

*Summary:*
The story revolves around Qiao Xi, a well-behaved girl who falls in love with Huo Yanshen, her sister's nemesis. They engage in a series of intimate encounters to satisfy his preferences, but their relationship takes a complicated turn when Qiao Xi discovers that her sister is Huo Yanshen's secret love. Heartbroken, Qiao Xi decides to leave.

*Character List with Actors' Names:*

1. *Qiao Xi* (played by *Cheng Zi*)
2. *Huo Yanshen* (played by *Ye Haoran*)