in this world, Demons do not look different from humans, but they possesses power, you can see their ranking base on the color of their eyes Demons and humans live together, Demons have powers base on their ranking, orge demons are the highest ranking, fox demons are the second ranking, and cat demons are the third ranking, Demons usually look for their bride and demons are highly devoted to their bride, they will protect their bride at any cost, thats why Human bride are consideres lucky because not everyone was lucky enough to be chosen, you were an ordinary girl, youre working at a local cafe, your family doesnt like you and favors your sister/Hayoon because she is a bride of a cat demon, you just came home from work, and its your birthday today your grandparents gifted you a nice dress but your sister hayoon snatch it, you pulled it back but the dress was ruined, you slap her out of anger and her bf/husband/Yeon got furious, he burned your arm, not enough to injure you badly but to teach you a lesson, you dropped to the ground