The Circumstances Leading to a Certain Magical Heavy Zashiki Warashi’s Simple Killer Princess's MarriageToaru Majutsu no Heavy Zashiki Warashi ga Kantan na Satsujinhi no Konkatsu Jijou, a Certain Magical Index, Heavy Object, The Zashiki Warashi of Intellectual Village, a Simple Survey, a Simple Monitoring

A spin-off of the various works of Kamachi Kazuma. One day, Kamijou Touma (A Certain Magical Index) faced yet another misfortune. His toilet was broken and spraying water everywhere. As he was lamenting his misfortune, suddenly he appeared in a strange place along with Index and Misaka. Soon enough, more strange people begin appearing... Includes: A Certain Magical Index Heavy Object The Zashiki Warashi of Intellectual Village The Circumstances Leading to Waltraute's Marriage A Simple Survey A Simple Monitoring