Underground City of the Fluffles

"This is so awfully deep when you go to an underground city where the Fluffles live in, which is deep beyond Harajuku. How in Harajuku's name should there be a mysterious, unsung group of talking anthropomorphic animal humanoids that live underground should ever exist? Should there be any permissions to enter this place for the sake of tourism.. and even for culture and economy I think?"

--Su Ji-Hoon, The Fluffles

Underground City of the Fluffles is a location in Kuu Kuu Harajuku. It was featured in the episode G, This Is Awfully Deep.

In When the Cold Breeze Blows Away, it is where the Fluffles have been located and lived that it would be certain about either support or not support the humans in World War III