Stoic 18-year-old Succubi, Yuki Matsuri, is a beautiful but detached demon girl who wants nothing to do with the humans or other people in general due to her experiencing a traumatic past back in the underworld where she was psychologically abused by her father to the point where runs away from home in the underworld. After transported to the underworld, she come across with a strange mysterious man by the name of Karlheinz where he forced her to move in with the mysterious but handsome Sakamaki brothers, she discovers not only their vampires but half brothers who don't get along. And there's one problem: they have a human in the house as well which is not other than Yui Komori. Much to her dismay, she must adapt her environment in the Sakamaki house as she develops a bond with two other brothers, Shuu and Subaru, she finds herself falling head over heels with eldest brother, Reiji, whom he reciprocates her feelings but doesn't want to admit it. Things get even worst when not only she got herself involved in a love square, but her own father came to visit his own daughter. How would Yuki overcome her past? Who would she choose? Her choice is hers.... [Discontinued]All Rights Reserved