Emi Isuzu

Serving as the Takayanagi family’s elite inner guard, this Todo Academy third-year student acts as Mitsuomi Takayanagi’s loyal second-in-command. Driven by deep affection for him, she fiercely protects him from his health struggles while viewing Maya Natsume as a romantic rival. Known as "The Black Blade," she utilizes a deceptive physical form to conceal throwing knives within her body, allowing for seemingly magical combat maneuvers. Despite her immense popularity, she maintains a profound secret regarding her true appearance.