For those encountering unexplained events, the Literature Department on the fourth hall of Higashisei University offers sanctuary. In the forty-fourth room, Zettaijou Araya, an imposingly tall man adorned in a black haori and surrounded by a vast array of youkai relics, offers aid to those plagued by supernatural afflictions. As the spring semester begins and novices flood the campus, freshman Yunoyama Ayane has her sights set on a specific chamber.