Sherry Cromwell begins her assault on Academy City to start a war between Necessarius and Academy City. As a result, T?ma, Index, and Hyoka are locked in an underground shopping complex before they are evacuated with everyone else. Mikoto and Kuroko find them and Kuroko teleports Mikoto and Index, who become suspicious of the other's relationship with T?ma, away first. When T?ma hears an explosion, he goes to confront Sherry and leaves Hyoka to wait for Kuroko to return. As he tries to fight Sherry's golems, Hyoka arrives, but is hurt and T?ma ends up seeing a strange device in her head. When she flees, Sherry decides to pursue her while T?ma gets a call from Komoe, who explains that Hyoka's existence likely came to being from the collective extranaeous discharge of espers in the city. Meanwhile, Hyoka manages to regenerate her face, but Sherry, who knows Hyoka isn't human much like her golems, is about to crush Hyoka when T?ma appears and saves her.
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