you are an ordinary woman who lives as the chairwoman's daughter and Ni-ki is a vampire who has power to control anything with his cross mark on his wrist, your mother wants you to have a husband before she dies. but did your mother know that your being targeted by your siblings to have your spot because your mother don't trust them enough to be the next chairwoman when she dies? well, your life is in a risk but you just want to live peacefully.. one night while your running away from a lunatic killer, you faintly saw Ni-ki walking towards you and when you approach him to ask for help, the two of you got pushed from a mountain to a river. but there's an unexpected thing that happened and that is while you two we're about to drown his cross mark on the wrist suddenly transfer to your wrist! and he has to hold your wrist whenever he needs to use his power so that means he have to be close to you always so he decided for you to have an arranged married with him.