A concept that Enter took from this short.https://www.youtube.com/watch?v=9eBKN35UpuE
He thought that the premise was fantastic but that execution left a lot to be desired.
He thought the concept should be done again by someone who could do it better.
That someone ended up being himself.
Difference is in that short the kids act like adults and vice versa, while with Enter's thing the kids and adults still act like how they normally would, it's just the roles that are reversed.
The whole premise leads to a lot of weird and unfortunate implications if you think about it for more than five seconds.
And while he's answered some questions about his world he refuses to answer anything that might be uncomfortable so you're just left to wonder just how badly can things go in that world.
Honestly he should just drop the whole thing and do something else, but according to him he's so deep into it that he doesn't want to back out.