Tao

A human who's been living on the border of human and vampire country, he's innocent and believes humans and vampires can coexist.

Sehun

The prince of vampires, he's cold and shut-off but seems to be hiding a lot of pain and has a grudge against humans for some reason. 

Baekhyun

A poweful vampire hunter, he doesn't trust vampires and makes it pretty clear his thoughts on relationships.

Chanyeol

A vampire hunter turned bodyguard of the vampire prince, he's isn't particularly bothered by humans or vampires.