A Doctor's Rebirth: The Wicked Prince Won't Leave Me Alone

The peerless doctor Shangguan Weixi transmigrates after an accident and is reborn in the body of a woman with the same name. With the pocket dimension she brought along, she makes a fortune, only to have the Evil Prince latch onto her.

You don't like me? That's fine. I'll like you enough for both of us!

What? You want to run away from the wedding? Not a chance!

I trusted you so much, but you've been using me all along!

I'll give you everything you want. From now on, we're done with each other!

From falling in love, to becoming enemies, to making peace, it turns out everything was part of a conspiracy!

See how this modern goddess of medicine uses both medicine and poison in ancient times, powering up all the way! (No angst early on, a little angst later, but sweet overall.)