Toaru Majutsu no Heavy na Zashiki-warashi ga Kantan na Satsujinki no Konkatsu Jijou Manga Chapter 001

The First Chapter of the Toaru Majutsu no Hevi Zashiki-warashi ga Kantan na Satsujinhi no Konkatsu Jijou crossover manga was released on February 12, 2015.

Adapted from

 * Toaru Majutsu no Hevi Zashiki-warashi ga Kantan na Satsujinhi no Konkatsu Jijou

Major events

 * Touma's apartment is transformed to allow characters from Kamachi Kazuma's work to "crossover". Index and Misaka Mikoto is dragged along as well.
 * Touma, Index, and Mikoto meets a bunch of inexplicable people and survives an attack from an actual dragon courtesy of Waltraute.

Toaru Majutsu no Index universe

 * Kamijou Touma
 * Index Librorum Prohibitorum
 * Misaka Mikoto

Heavy Object universe

 * Quenser Barbotage
 * Heivia Winchell
 * Milinda Brantini

The Zashiki Warashi of Intellectual Village

 * Zashiki-Warashi
 * Yuki-Onna
 * Jinnai Shinobu

A Simple universe

 * Ansai Kyousuke
 * Higashikawa Mamoru
 * Bunny Girl

Killer Princess and the Deep End

 * Satsuki
 * Nanajou Kyouichirou

The Circumstances Leading to Waltraute's Marriage

 * Waltraute
 * Jack Elvan

Abilities

 * Electromaster (Railgun-variant) - Misaka Mikoto, level 5

New Abilities

 * Zashiki-Warashi powers - Zashiki-Warashi
 * Yuki-Onna powers - Yuki-Onna
 * Valkyrie powers - Waltraute

Locations

 * Academy City
 * School District 7
 * Kamijou Residence

New locations

 * Unnamed dimension or world the characters are in

Trivia

 * This marks the appearance of an actual dragon in the series.
 * This marks the appearance of an actual Valkyrie in the series.

Unanswered questions

 * How did they end up in that world?
 * What happened to Touma's room?
 * How is Touma affected by this?
 * Where did that dragon come from and why did it start attacking?