My favourite

Reborn as the daughter of a count she read about in a novel, Lady Valeta knows the story ends in tragedy at the hands of her lowly house pet, Reinhart. Having never wanted him in the first place, Valeta tries but fails to oust him from her house. But when Reinhart’s powerful magic is awakened one day, he kills all those around her, and it is now Valeta who is at his mercy. Though the tables have turned, Reinhart can't shake his attachment for Valeta. He lets her live, but only within his grasp.

Seven years ago, Kanna was thrown into the body of a Korean girl named Joohwa. She had everything in her new life—a loving family, a great boyfriend, a hard-won medical license, even her own clinic! But that all changes when she's suddenly swapped back one day. Just as she's been in Joohwa's body, Joohwa has been in hers... and she's left Kanna's life a mess! First things first, she's going to divorce her cold husband, Duke Silvian Valentino. After that? Revenge on everyone who's wronged her.