Dong-gu, a timid and cowardly boy! One day, he becomes partners with Dal-ja, a cute and quirky girl who transferred to his school.

But it turns out Dalja's true identity is none other than a quirky, eccentric vampire! And to top it all off, the new neighbors who just moved in next door are actually Dalja's family?! Dong-gu's ordinary life is turned upside down by Dalja's sudden arrival… The heart-stoppingly cute girl is coming!