Both shows, has a female lead, with some amount of trauma, and wants/hopes for some amount of recognition from their own family. Both has contract marriage, with the male lead. The male lead in both has a crush on the female lead first. With the male lead, starting out acting cold.

Both shows have a influential/rich family's from male or female lead
Both show, some darker aspects of manipulation from antagonists or family, and heavy themes of betrayal.
Chemistry between actors are amazing.