Hwang hyunjin and you are in a contract marriage together because it's beneficial for both of you. The reason why hyunjin is in this marriage is because you have a tattoo in your wrist which used to be hyunjin. He needs the tattoo to control his powers, it was randomly transferred to you one day. You need to be married to get the family inheritance so that's why you are in this marriage.

You have feelings for hyunjin but doesn't admit it because you think that hyunjin is not interested in you and hates you due to his cold behavior towards you, which is wrong since he loves you and cares for you but just doesn't show it.

One night you were waiting for hyunjin to come home, he usually doesn't come home late but this time it was different, it was 30 minutes past midnight and he still hasn't come home. you were starting to get worried until you heard the door open.