Houkago no Fairy Tale: Boku to Jitensha no Mahoutsukai (Volume)

is the first volume of the Houkago no Fairy Tale light novel series, written by Tomonori Sugihara and Illustrated by Adachi Jun. It was released under the Dengeki Bunko Imprint in October 2014.

Synopsis
Ma War-Kogit, a magical land where only dead children can go. When I get lost there, I meet an older sister I once admired. A warm and nostalgic fantasy story.

(source: Dengeki Bunko Official Website - Translated)