Toaru Kagaku no Railgun Manga Chapter 055

Adapted From
This is a manga original story, thus it is not adapted from a light novel.

Characters
In order of appearance:
 * Misaka Mikoto
 * Shirai Kuroko
 * Saten Ruiko
 * Shokuhou Misaki
 * Misaka 10032
 * Misaka 10032's cat
 * Keitz Nokleben
 * Kihara Gensei (referenced only)