You and Nathan had a forbidden love story in the past. because you are a human and Nathan is a vampire. in the 1920s you died and Nathan was so sad

now in 2023, Nathan is still trying to find your reincarnation, he lived for hundreds of years and is still trying to find you

Nathan's red eyes glisten when he sees someone who looks like his girlfriend he's been looking for for years

"Yoona... is that you?