The Marquess's Wife: Reborn, I Must Marry the Unhinged Crown Prince

Ning Muxi devoted her life to the declining marquis's household, helping it regain its former glory. But the day the household rose to power was also the day she died. Only at the very end did she learn it had all been a scheme. She had been manipulated, and so had the entire Ning family. Their destruction had been decided from the start. Reborn, she swears to send the marquis's household straight to hell with her own hands! Her fake-sweet cousin wants to raise her status? Then she'll make sure she never has a place in high society. The scumbag wants wealth and power? Then she'll make him die a lowly death. But one thing she truly can't understand: why has the Crown Prince become her ally?