Renji Hiiragi, known as a Night Wizard tasked with safeguarding the world from encroaching darkness, finds himself torn between his duty and his desire for a normal school life. When he is assigned to protect Elis Shiho, a new student at his academy, Renji introduces her to the realm of night wizards alongside his childhood friend Kureha Akabane. Elis, wielding the Jewel of Kindness, discovers her latent powers and joins Renji and Kureha in their battles as they embark on a new chapter as Night Wizards.