Shows like My demon (마이 데몬)

Do Do-hee is the heiress of the Mirae Group, a chaebol conglomerate. She's a young woman who exudes arrogance, distrust, and cynicism, especially when it comes to matters of love, and her list of enemies seems endless. In order to meet a condition set for her inheritance, Do-hee reluctantly enters a contract marriage with Jung Goo-won, a demon who has roamed the earth for two hundred years, striking perilous deals with humans. But upon meeting Do-hee, he unexpectedly loses his powers overnight. Now, in order to stave off his own demise, he must protect her at all costs."