Six years ago, Baekhyun discovered his best friend Sehun’s affair with his girlfriend Minjoo. The pair left him for dead, but six years later, Baekhyun is back for revenge. He plans to ruin Sehun and Minjoo, starting with their marriage and ending with their livelihoods. —or— Baekhyun wants to be the villain who gets revenge and a happy ending, but he can’t have both.

They are each other's dirty secrets.  But how great would it be if they weren't. They know each encounter within the four walls of the fancy room right outskirts of Seoul should be their last, yet they also know that it probably won't. Can the moon stops gravitating around the sun?

Irene's duty is to become Regina. The moment she was born, she was destined to be with the Crown Prince. Seulgi doesn't want to become Regina - all she wanted was her old life back. A love that is considered taboo, affection that is beyond platonic, and a complicated crown princess candidacy - what will Iren