Mob, Reigen, Dimple, and Serizawa - the latest recruit to the team at the Spirits and Such Consultation Office - embark on a journey to a remote hot spring situated in Zebra Prefecture. Upon receiving a request, Reigen sets out to investigate the bizarre rumors surrounding the inn. It is worth mentioning that this OVA was previewed at an anime event held at Kasukabe Citizens Cultural Center in Saitama Prefecture on July 7th, 2019.