Lina is a forward-looking 17-year-old girl living in the country of Wamonar. One day, while looking for a job to become independent, she suddenly regains memories of her past life as a nursery school teacher. By chance, she grows close to a young girl named Alice, who turns her life completely upside down! Because of Alice's attachment to her, the knight Lucas—Alice's guardian—entrusts Lina with becoming a live-in housekeeper...!? (Source: Libre, translated)