The school festival is approaching. Nube's class decides to build a haunted house. Nube tries to help the students, but due to Tamamo's trap, he destroys their creation.
Ritsuko worries that Miki will get her into trouble someday due to Miki's addiction to social media. Meanwhile, a black shadow that has been sneaking into the high school possesses Miki.
Nube is concerned by the student's lack of an alarm as they now know of the existence of yokai in this world. In the meantime, Izuna tries to cast a certain spell but fails, which makes Miki's neck stretched.
Akira, who cannot envision a future for himself, talks to a human anatomical model every day. The model then takes over Akira's body for one day.
