Forsaken

Though different in music genres, both are music videos made by japanese studio/director and commisioned by famous western artist. Both also use unusual animation techniques/art design. 

Animated music videos about vampires about vempires and their company, employing less usual artsy artstyle and catchy tune. 

Relationship between a human and a vampire that some might mistake for a romantic one but instead the human is just used as a livestock and kept for blood. 

Handsome, black-haired protagonist has his blood taken by a beautiful blonde female vampire so she can survive. Follows the relationship between those two. 

Music video made by Japanese studio for a popular western artist, both featuring stylized animation and art design.