Toaru Yukaina o Chibi-chan

Toaru Yukaina o Chibi-chan (とある愉快なおちびちゃん) is a Toaru Kagaku no Railgun 4-koma parody manga by Eretto. It was included with the special edition of the Toaru Kagaku no Railgun Manga Volume 05 as part of Pseudepigrapha Railgun.

Chapters
Each 4-koma chapter is two pages long.
 * Index
 * Misaka Mikoto
 * Shirai Kuroko
 * Last Order
 * Uiharu Kazari
 * Saten Ruiko
 * Sisters

Trivia

 * Toaru Yukaina o Chibi-chan was published in Dengeki Daioh from December 2009 Issue to February 2010 Issue and from December 2010 Issue to February 2011 Issue.
 * The character strap was distributed as bonus for those who purchased specific issue of Dengeki Daioh. The characters of the straps are different for each issue.
 * December 2009 Issue - Index Strap
 * January 2010 Issue - Misaka Mikoto Strap
 * February 2010 Issue - Shirai Kuroko Strap
 * Railgun vol.4 Limited Edition - Last Order Strap
 * December 2010 Issue - Uiharu Kazari Strap
 * January 2011 Issue - Saten Ruiko Strap
 * February 2011 Issue - Sisters Strap
 * Only four chapters out of seven were included in Pseudepigrapha Railgun.