When Mint and Crunchy Bug are watching a film of Deborah, Mint invented Mecha-Deborah to try to conquer Micro Grand Academy and then causes trouble in the campus. Soon it turns into a misunderstanding for the real Deborah since all the students think that the real one is causing the mayhem and Hinano suggests that both Deborah and the Mecha will have a contest to see who really loves Murakata. Just then, Mint appears and switch Mecha Deborah to full size to try and destroy the academy while carrying Deborah and Hinano...