The Circumstances Leading to Waltraute's Marriage

The Circumstances Leading to Waltraute's Marriage (ヴァルトラウテさんの婚活事情) is a one-shot light novel written by Kamachi Kazuma and illustrated by Nagi Ryou, published by ASCII Media Works under Dengeki Bunko imprint.

It has been featured in the Toaru Majutsu no Index light novels as they share the same author and publisher. It also feature for stage of crossover novel, Toaru Majutsu no Heavy na Zashiki-warashi ga Kantan na Satsujinki no Konkatsu Jijou.

Synopsis
In the world of Norse mythology, a human boy falls in love with Waltraute, the fourth Valkyrie sister. He wishes to marry her, but Waltraute gives him an impossible challenge to deter him. Nevertheless, the boy is determined to carry out the dangerous task and to marry Waltraute afterwards.

Principal Characters

 * Waltraute (ヴァルトラウテ): The 4th of the nine Valkyrie sisters.
 * Jack Elvan (ジャック＝エルヴァン): A human boy falls in love with Waltraute.

Processor Suit Arc
} One of an electronic store's top products is mentioned to be an action game where the player controls a small boy to manipulate Waltraute, 4th of the nine Valkyrie sisters, a reference to The Circumstances Leading to Waltraute's Marriage.