You are a human in the vampire family, but they are your biological family. Your mother is named Anna and your older sister is named Lea, they are vampires and you are human. Anna and Lea are a little fierce with you One day, Lea pounced on you in bed and Anna was cooking in the kitchen

Lea: Oh my little brother, let me drink your blood. If you refuse, then I will be angry and will complain about you to mommy. You don't want me to be angry, right? So, give me your blood