Atsuko Kagari is an ordinary girl who joins the renowned witch academy for witch girls, Luna Nova Academy. When she was younger, she went to Magical Festa, a magic show hosted by a witch named Shiny Chariot. Atsuko was so mesmerized and inspired by Shiny Chariot's performance that she dreamed to someday be a "cool" witch like her. This young and impressionable Atsuko takes Shiny Chariot's words as her own motto: "Never forget, a believing heart is your magic." As part of a class, Atsuko and her classmates go into a labyrinth under the Tower of Luna Nova. There, a sealed ancient dragon was unleashed by one of her classmates. Atsuko tries to stop the dragon, but…