After recovering from a gunshot wound to the head, Accelerator's bandages are finally removed; a secret weapon is stolen from a research facility.

The extremist group DA takes control of a suicidal high school student; Accelerator tries to find out why a woman in the hospital has a photo of Last Order.

Accelerator explores the warehouse with Esther and they encounter Hishigata; Accelerator attempts to learn more about DA.

As Accelerator takes on two DA members at the hospital, he receives help from a surprising ally. When DA's hospital mission goes awry, plans are put in place to have them removed form the operation.

Accelerator must wait for his Misaka Network electrode to power up; Antiskill's team raids a DA factory; Scavenger continues its crusade against DA.

Yomikawa fights off the Scavenger's attack to protect Esther, Huotou, and the Sisters clone, and finds out why they are so hostile to the city's teaching staff. Huotou and Esther battle Naru.