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.
Come on, Gunma-chan!
Hey, Gunma-chan!
¡Oye, Gunma!
¡Oye, Gunma!
Hé, oh, Gunma !
E dai, Gunma-chan!
Ei, Gunma-chan!
Эй, Гумма!