The war is finally over, and people are living in peace. Well, except Yuichiro and his family. With Yuu's new family living with his one remaining member of his old, Mikaela, who is a vampire, something they all spent year fighting to defeat, their life is never boring. Shinoa Hiragi, Mitsuba Sangu, Yoichi Saotome, and Shiho Kimizuki, are all apart of Yuu's new family, but although they want to Except Mika into their family, they have a very hard time doing so. But with the peace treaty in place, and the 6 of them living together in one house, granted by the vampires, they have no choice but to live with Mika. But what would they do if Mika accidentally goes too far? [I don't own OnS or any of the characters] [Some lemon action here and there]