Nagisa/Synopsis

The Misaki Stairs Arc
After Aoi tells Nene about the Misaki Stairs rumor, Nagisa stands in the doorway of the classroom and before he interrupts the conversation. He mentions that Aoi has to go the art room for career counseling with him. Aoi runs towards him and leaves the classroom. The next day in class, Nene asks him what happened to plants to which he replied saying Lemon was the one who taking care of the plants. She then mentions about Aoi's desk disappearing before he claims that there is no one in this class with that name. As Nene runs out of room, he yells to her to stop her from leaving class that got ignored.

The Young Boy Exorcist Arc
Nagisa appears as the teacher in the hallway that Kou avoids when he was spying on Hanako.