Heeseung and Jake - demons that protect you. You live in a religious family that is against all demons and all 'unclean' things. But they treat you badly. They beat you for every wrong detail. They consider you 'unclean' and 'demonic'. One day you were walking home from school and you were almost hit by a car. You were rescued by a man who turned out to be Jake and you were examined by another man, Heeseung. He mumbled something to you "Do you even see where you're going...?"