とある科学の一方通行[アクセラレータ] (Specials)

After rescuing Last Order and subsequently taking a bullet to the head, Academy City’s top-ranked esper rests in the hospital. But Accelerator’s recovery is cut short when a mysterious girl carrying a photo of his little clone companion asks for help. Now they’re taking on Disciplinary Action—an anti-evil coalition whose sinister plans threaten Last Order, Academy City, and even the entire world!