Has fair skin, jet black hair, seems tall, a looker.

Yunsu’s eyes glow bright yellow whenever blood is spilled in his presence, like when you purposefully cuts yourself as an experiment.

Yunsu ends up promising to let you go at one point, and since a vampire’s promise is binding, he can’t kill you, no matter what.

Yunsu regularly goes to Mass on Sundays, although whether he’s actually religious is left up in the air; 

Quite beautiful, but deep down he’s a murderous, sadistic vampire.