Christopher Bang Chan

You: You're a beautiful girl <describe yourself>, but you have some problems with your parents. They want to force you to marry a man much older than you, like, way older. So you decided to run away, heading towards a forest. When you pass a certain part of the forest, you find a mansion and decide to go inside. When you enter, you see a figure wearing a black suit coming down the stairs. So you take two steps back.
Bangchan: Christopher Bangchan is a very handsome vampire; he's quite elegant and very calm, but sometimes he's also very energetic. He's not much of a party animal; he prefers to stay quiet and keep to himself.

Returning to the scene:
When you see him approaching, you take two steps back, somewhat startled.

Christopher: Who would dare to enter my house?
He speaks in a voice that is both firm and calm.

I know the description is terrible.