To Aru Kagaku no Accelerator

Academy City ranks its espers across six levels, and only seven of its millions have reached Level 5. The most powerful among them is Accelerator, who is recovering in a hospital after protecting the lively Last Order at great cost to his strength. His quiet recovery is interrupted when he saves Estelle Rosenthal, a mysterious girl carrying a photograph of Last Order. A dangerous group called Disciplinary Action is pursuing Estelle and plans to use Last Order for a perilous mission. Accelerator and his new ally must protect Last Order and Academy City as the group puts its scheme into motion.