Stella is a bored teen who's part of the first generation to grow up immersed in a world of virtual reality games. Her parents only allow her to play, bland all-ages titles, one of which is called "Crystal Fighters"--a very bubbly and positive world where you assume the role of a magical girl. Through a series of events, she discovers that other players in the game have created a secret magical girl fight club that adds a whole new world...