The story is set in medieval times, in the planet Warand. A raising sim where you take control of one of three protagonists over the space of a year. Diana is the second Princess of the Kingdom of Klein (her hobby is collecting hats). Mei is a regular high school student from the human world who was accidentally summoned to the Royal Academy of Magic. Sylphis is a knight apprentice from a race that chooses their gender once they start puberty. The player's character will spend a year at Klein to achieve the proper magic abilities. Their fate is in the hands of the player.