In this world, "witches" are performing idol activities because the source of their magic power comes from people's happy emotions. The protagonist, Tiara, is the second princess of the kingdom and a student of Flora Girls' School, a "witch" training institution. Although she dreams of becoming a first-class "witch", her team "Neon" is in danger of being expelled from school? ! Can Tiara and her companions in "Neon" overcome numerous difficulties and stand on the stage they dream of?