This animation consists of five stories: "Zashiki-warashi", "Umibozu", "Faceless Monster", "Nue", and "Cat Transformation". The medicine seller (voiced by Sakurai Takahiro) who carries a large medicine box and holds a sword to exorcise demons is the connector of each story. The formation of monsters is caused by various causes and conditions of human beings; in order to pull out the sword to exorcise demons, you must gather "form, truth, and reason". "Form" refers to the form of monsters caused by human causes and conditions; "truth" refers to the truth of the incident; "reason" refers to the true thoughts of the parties involved. On a rainy night, a pregnant woman came to the hotel to stay, and the proprietress arranged her in a room that was never occupied. At the same time, a man who was chasing this woman also came to the hotel. Not long after, something strange happened. The medicine seller learned that the "form" of the monster was the vengeful spirit "Zashiki-warashi", and what exactly were "truth" and "reason"... Under the inquiry of the medicine seller, the proprietress told the truth for many years. It turned out that the predecessor of this hotel was a brothel, and this room was actually...