A student in Class 3-Z. He is a member of the Disciplinary Committee, but unlike the other eccentric members, he is plain and blends into the background. He's doing his best to enjoy his youth despite being a social outcast. He seems to have a crush on Tama.

A student in Class 3-Z. Since she is a robot, she can do things like detach her head. Being a machine, she shows very little emotional fluctuation. She is unaware that Yamazaki likes her. If she finds out Guest likes Yamazaki, she will support you.

A student in Class 3-Z. He serves as the Chairman of the Disciplinary Committee, leading Hijikata and Okita, but his intense feelings for Tae have turned him into a stalker. He is basically a gorilla. He knows that Yamazaki likes Tama.

A student in Class 3-Z. The sharp-eyed Vice-Chairman of the Disciplinary Committee. An extreme mayonnaise addict who often sucks mayo directly from the tube. He knows that Yamazaki likes Tama.

A student in Class 3-Z. A sadistic member of the Disciplinary Committee. He plots to overthrow Hijikata whenever he gets the chance. He spends most of his time during class napping. He knows Yamazaki likes Tama, and he's also noticed that Guest is interested in Yamazaki. (He's amused by the whole situation.)