In the midst of her double life as a spirited middle-school idol and student, Komugi Yoshida encounters a wounded creature named Usa-P. After aiding the creature, Komugi is offered the chance to become a Legendary Girl endowed with magical abilities. Reluctantly taking on this new role, Komugi finds herself pitted against enigmatic masked adversaries, first as a Magical Nurse and later facing a three-way clash with a Magical Maid and a Magical Sister. Can Komugi juggle her identities as a student, idol, and Magical Nurse, and what trials await her in this ongoing battle to fulfill her dreams?