A Certain Magical Index manga volume 24 features story by Kazuma Kamachi and art by Chuuya Kogino.

Repulsed by Mugino's treatment of Takitsubo, Hamazura, despite having no powers, decides to confront her. Meanwhile, Kakine Teitoku plots to kill Accelerator and take his place as the “prime candidate” in the plan in hopes of negotiating favorably with Aleister.