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.
We're just honest residents of Gunma.
Wir sind gewissenhafte
Bürger von GUNMA!
Nous sommes
d’honnêtes habitants de Gunma.
Siamo solo onesti cittadini di Gunma.
Somos só cidadãos honestos de Gunma.
Мы честные граждане Гуммы.