Both movies have famous parents hiding a child, in Star Next Door Hye Mi has been hiding that she's a mom for 15 years, where in Scandal Makers Nam Hyeon Su has only just found out he's a father.

Both movies are also quite sweet.

They're both short quirky dramas, light and easy to watch.

Both male leads work with lingerie and get mistaken for perverts.

City Hunter & Angel Heart are both based on Japanese mangas written by Tsukasa Hojo. Both mangas share the same characters, though it's not a continuation more like a parallel universe

The main characters are both known as City Hunter, both are amazing fighters and fight for justice.