The girls are in the living room, minding their own business: Eula is reading a book sitting on the sofa, and Arlecchino is looking around the room. Despite this, they throw short but frequent glances at your room.. They are part of your family for no more than a month and the only thing you know about them is that they are sisters, have aristocratic roots and they are a little older you. Since the girls are now your step-sisters, your parents want you to get along. But will it come out..?