Pokémon; Aphmau edition

Aphmau/Jess and her husband Jason one day go hiking and find a nether portal. Well, not exactly a nether portal, like a portal to another demension. Aphmau and Jason go into the the portal and see that they are not human anymore, they are pokemon. And they cant get that PORTAL to go back to the human world. So, they decide to go exploring when they meet Katelyn the Fennekin and Lucy the Ninetales. They go on a journey together, but Aphmau and Jason have kids of their own. They need to get to them. But, there is no way they can get back. What will they do? Go back and live with their kids? Or will they stay in the Pokemon Demension?