As a Night Wizard, Renji Hiiragi's priority is to safeguard the world from the imminent threat of darkness. But his aspiration to attend school and earn a degree takes the back seat, as he is persistently summoned for missions. Assigned with the duty to defend Elis Shiho, a fresh entrant at his institution, Renji sets out to safeguard her. It isn't long before Elis unravels her potential as a Night Wizard, thanks to the Jewel of Kindness, one of the seven classified Jewels. With Renji and Kureha Akabane- his childhood friend- by her side, Elis begins her new journey as a Night Wizard, prepared to face the shadows.