Description: Dark mansion, lightless rooms, maze-like corridor ... At midnight, the "something" in the dark mansion will come out! However -- Those are not important! The sold girl Erica is about to live with the Duke who has a very bad reputation in this terrifying mansion. Face to the poker face Duke who can't be see through, Erica has to live the daily routine where she will die if she says something wrong in accident?! Choose and choose, experience the full love from them!