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.
the Dark Continent once we complete 
the Three Sacred Treasures.
dann könnt ihr euch dem
dunklen Haniwa Black Großkönig stellen.
nous pourrons affronter Haniwa Black,
l’Éminent Seigneur des Ténèbres.
dovremmo poter sconfiggere
il grande Haniwa nero del continente oscuro.
devemos conseguir enfrentar o Grande
Haniwa Negro do Continente da Escuridão.