Shokuho and Mikoto find themselves in a traffic jam, and Shokuho demonstrates a tremendous example of her ability. The background behind the Exterior project is revealed, as well as Shokuho's connection to one of the original Misaka clones.
That's what Exterior is.
.وذلك هو إكستريور
Das ist Exterior.
Eso es Exterior.
Eso es Exterior.
Voilà ce qu’est Exterior.
Questo è Exterior.
Isso é o Exterior.
Это и есть Экстериор.