From being an average office worker to a pregnant vampire princess?! Wait a minute! I cannot catch the tide! Crystal is the filial daughter of two average working couples from the province. She struggles to earn money while using her short amount of time and day-offs to meet and bond with her parents. However, they all met a tragedy when an earthquake hit their apartment and they died on the spot. Crystal mourned and longed to have a family of her own, just like her parents' loving relationship. Transmigrating to a medieval era where monsters, vampires, and demon exists, will Crystal be to live in peace with her twins when misfortune always comes and knocks at their door?