Immortal Vampire.

Vampires, the symbol of immortality. Do vampires like that get old? [VIDS (Vampire Immunodeficiency Syndrome)] But there is a way. Gather antibodies that don't age around her. A fantasy-romance that depicts the love, jealousy, hatred, and sacrifice of the three protagonists! Her immortal youth and refreshing charm! The Immortal Goddess of Vampire romance with the Black Knight protecting her from those who seek her. (Source: HanCinema)