Wagaya no Dungeon (Volume)

is the first volume of the Wagaya no Dungeon light novel series, written by Ibukiyo Amou and Illustrated by Urabi. It was released under the Dengeki Bunko Imprint in March 2014.

Synopsis
There is a vast dungeon in the basement of the new location !?

Today, a large number of dungeons have begun to occur. The house where the Higurashizaka brothers and sisters moved ... was a house with a huge dungeon in the basement !? Full of cute monster girls! Introducing the slapstick extraordinary daily RPG action comedy!

(source: Dengeki Bunko Official Website - Translated)