Andy Collins insists that Hogwarts is a cursed school. A centenarian living alone, an older cat-woman with a broken marriage, a middle-aged bat experiencing romantic setbacks, a half-giant living in a cramped house, a goddess-like figure who is always hungover—Andy Collins calculates that the professors at Hogwarts are all single! Andy Collins doesn't have big ambitions; he just wants to quietly study magic. For the sake of a happy life teaching at Hogwarts after graduation, Andy Collins decides to break the curse and solve the professors' personal problems over seven years of study. First, let's start with matchmaking.