In this game, players will take on the role of Lillet Blan, a young magician who is admitted to a prestigious yet mystical magic school; however, on the 5th day of school, everyone mysteriously dissapears. Lellet awakens the next day to find out she's once again living out the first day of school! However her memories of the previous days are intact, giving her the opportunity to solve the mysteries behind the disappearences and prevent the tragedy from occuring.