Gunma-chan, Uncle Akio, Aoma, and Meemi visit Gunma's kofun site and wander into an alternate world beneath Gunma in the Season 2 finale.
...Gunma Mirror!
den GUNMA-Spiegel gefunden.
¡El espejo Gunma!
¡El espejo Gunma!
et obtinrent le Gunmiroir !
... il Gunma mirror!
...o Espelho de Gunma!
и получили зеркало Гуммы!