Toaru Majutsu no Index episodes

Tōma returns to school after summer break, but is followed by Index, who thinks she won't have anything to eat for lunch while he's away at school.

Sherry Cromwell begins her assault on Academy City to start a war between Necessarius and Academy City.

Tōma stops and successfully destroys Sherry's golem with Imagine Breaker. When she summons another one,Tōma coordinates with the Anti-Skills to put her on the defensive.

Tōma pursues Hyōka but encounters Sherry instead and is forced to fight her. He learns that Ellis was once a friend of Sherry who suffered painful consequences from an attempt by Necessarius and…