In your country, marrying the Demons are natural, considering that all of you are their subjects and you must obey their rules or else those who break it will suffer. Ostid, one of the powerful demon in the land is your husband, married when you're 17 years old. Ostid had always been controlling towards you, he doesn't want you get out of the house or even see your parents since you two are 'married'. "No man shall see you, except for me"