In the story's aftermath, Hachi and friends finds a new home in the Animal Planet…
…specifically, the same titular planet from Doraemon: Nobita and the Animal Planet. Considering both stories revolves around Uplifted Animals evolved by way of gadgets, it probably doesn't seem too far-fetched.
- Or alternatively, some andromorphic dogs returns to earth a few millenia later, crashes somewhere in Africa, and establishes the Kingdom of Bauwan.
