Benio has moved into the Seika dormitory, which puts her into conflict with Rokuro after their unpleasant first encounter. Soon a strange individual arrives at the dorm clad only in a pair of underpants!

Benio quickly becomes the center of attention after transferring to Rokuro and Mayura's middle school. When a Kegare attacks between classes, Benio decides to leave while Rokuro claims that their studies should take precedence over exorcist duties.

When Ryogo runs into more trouble than expected during a Kegare exorcism, a desperate Rokuro turns to the one person he thinks can really help: Benio.

With Benio constantly leaving school for no given reason, Mayura starts to worry about her new classmate. And Rokuro starts getting back into the swing of things by joining the others on a regular Kegare exorcism.