Mistaken for the Man from That Night, the Prince Keeps Fighting to Win Her Back

Completed. [Levelheaded transmigrated woman x calculating military prince] [Lust first, love later + one-on-one romance + modern knowledge changes fate]

Su Xiyue has barely transmigrated when she faces a disaster from the start: the Su family falls on hard times, her fiance tears up their marriage contract, and then buys her as a lowly maid to order around. At his current lover's instigation, he even sells her to a brothel.

A mysterious man buys her first night at the brothel. After their night together, he finds the scented sachet she left behind and departs without a word.

The sachet helps her identify this exceptionally capable man as Qin Shangheng, the current Left Chancellor.

What she doesn't know is that another powerful and influential man is silently watching and controlling everything.

The only ones who suffer are the laundresses in the men's residence, who have to wash the bedsheets every single day...