The Mad Regent Is Fierce by Day and Sweet by Night

(Both leads are devoted only to each other + female lead transmigrates + male lead is reborn + 1v1)

Shen Yunzhu transmigrates into the legitimate daughter of the Shen family and is forced to marry a prince who prefers men. She's mistreated from the start.

With her cheat ability, she has nothing to worry about. Healing the sick, saving lives, removing poison, curing curses, dealing with scumbags and crushing weaklings are all a breeze.

She only wanted to be a lazy princess consort, but a mad and domineering big shot won't leave her alone.

The reborn Prince Regent only wants revenge: