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.
And you are?!
Du!
-¿Quién eres tú?
-Haniwa E.
-¿Quién eres tú?
-Haniwa E.
– T’es qui ?
– C’est Haniwa E.
Tu chi sei?!
Quem é você?!
А ты кто?