both includes dead boyfriend helping his girlfriend to move on..its pretty similiar except who are you is quite angsty

obsessive love at it peak...the male leads are pretty similar plus one of them is a pop star while the other is a rich heir...both females have gone through a lot

it isnt that similiar except for the obsesiveness. plus i think the female leads in both dramas where good at masking emotions..though hana did it unknowingly