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 Great Black Haniwa 
of the Dark Chocolate?
Den dunklen Haniwa Black Großkönig?
-¿Continente del chocolate?
-¿Oscuro?
-¿Continente del chocolate?
-¿Oscuro?
– L’Émigrant ?
– L’Éminent Seigneur des Ténèbres ?
Il grande Haniwa nero
del continente oscuro.
Grande Haniwa Negro do
Continente da Escuridão?
— Любитель хурмы Чёрный Ханива?
— Владыка тьмы Чёрный Ханива?