this drama contains the same theme like perfect and casual. it revolves around a rich guy with a son that needs treatment and encounters a nurse that will help them. it also has the same plot, contractual marriage, with twist and turn and also a good plot twist with the story. you can enjoy the turn of event in every episodes.

first both of these are mini series and they have angels as theme. it might not be too similar but most of it refer to both romantic comedies related to angels and both have cool production set up.