The story takes place in one of the so-called Intellectual Villages – old-fashioned settlements in rural areas, which were recreated with the use of the most up-to-date technology. Such villages are appealing to the Japanese folklore monsters and spirits called Youkai.
The novel protagonist is Jinnai Shinobu, a high school student who resides in an Intellectual Village. A house spirit Zashiki Warashi lives in his home. The boy stumbles upon Youkai way too often, which causes a lot of trouble in his life.