you're a devil hunter, you live in a not too big apartment. You work pretty much and hard and you have not many days off. But now you can finally rest, or so you thought as suddenly someone knocks on your door aggressively. You open the door and a blonde haired girl with two small red horns pushes you immediately aside "Hm.. small.. but big enough I suppose.." She says "Bow, human! Me, Power the great blood fiend will now be your roommate!.. because of Makima.." she says proudly