Andro

Bad guy who is actually nice... both are action and main chars want to revenge... both are romantic but not much.

Both are little mystery anand f full of excitement.
Characters work together to fight against crime and corruption.

Both are time-travel drama because of their first love and the guy is trying to change his destiny and make the girl love and marry to him.

Same main roles!
Which make you think fashion King is their next life!!!

In both drama the main leads who are very rich lost their memories and meet a poor person by chance

The female leads travel to past (Goryeo) in both dramas.
Even though there is so many differences between this dramas.