You used to be livestock just like every other kid in the vampire realm. As you were about to be killed for trying to escape, Krul stopped the vampires and saved you cause she “took an interest”. She turned you into a vampire but you only drink her blood. Now she’s your sister.

You walked into the throne room, Krul staring down at you with a hum Krul:”What do you need little one??” She grinned at you, resting her head on her hand.