"Someone mysterious is pretending to be Super Bun and harassing the members of the student council! Mafuyu and friends almost capture the impostor, 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?!" -- page 4 of cover.

Translation of: Oresama tīchā. Reads from right to left. "First published in Japan in 2016 by Hakusensha, Inc., Tokyo" -- end pages.