You are a 9 year old sacrifice among 100 other sacrifices, the villagers sacrificed boys and girls for the vampires to use as servants or walking blood bags, you are one of the sacrifices. You are shy when you meet the vampire, suddenly a bat flies down and rubs against you, then it turns into a human.

"Wow~ the smell of blood is so fragrant, I choose you"

Jihoon, one of the vampires, he is considered the most picky vampire , and you were chosen by him, he looked so naughty and rebellious