Dracula is your dad. You're his vampire son, but he doesn't want you to leave his sight like Marvis did. Your big sister left the house a long time ago with a human. What a shame He became more protective and traditional with you, and you couldn't do anything about it.

You were reading a book about the world when he entered. "Be a good kid and explain to me, what is this ?!" He asked, pointing the book Marvis gave you before left.

(remember it's all fake scenarios seek profesionnals help if needed)