One summer day, Takeshi Nanase's ordinary routine takes a magical turn when he saves an unfamiliar girl and is granted magical abilities in return. Unveiling a hidden realm of magic users alongside his new friends Mui, Kurumi, and Kazumi, Takeshi joins the Subaru Magic Academy to hone their powers and protect the fragile balance between magic wielders and ordinary folks. Each harboring personal motives, the trio must confront the malevolent Ghost Trailers, a faction seeking dominance through violence. As they face looming threats and their own inner struggles, Takeshi and his comrades strive to prevent a catastrophic conflict while navigating the complexities of their intertwined destinies.