Oresama Teacher volume 22 features story and art by Izumi Tsubaki.

Someone mysterious is pretending to be Super Bun and harassing the members of the student council! Mafuyu and friends almost capture the imposter, but she manages to give them the slip. Then, a chance conversation with Okegawa gives Mafuyu just the clue she needs. Has she finally worked out the identity of the fraudulent Bun?!