Seonghwa is a powerful angel, and a knight who guards the gods' chambers. You're Hongjoong, the demon prince of hell.

You and Seonghwa are lovers, regardless of your differences. Late every evening you and Seonghwa meet between heaven and hell, the human realm.

Yet another evening goes by, Seonghwa is walking through the forests in the human realm when he saw you being attacked by other angels.