The record for English's longest literary work goes to a Super Smash fanfiction at around 4 million words.
I think we can beat this record together
We can make a kingdom hearts/family guy/invader zim/fat albert/vocaloid/simpsons/FNAF/undertale/pokemon/bant memes/whatever fanfiction starting with this timeline. For this to work we'd use KH as a hub for all these universes to be connected. See the previous thread and this video if you want
>>3604214
https://www.youtube.com/watch?v=XrDP7v9Zrvs

Let's start off with someone who knows more about KH to get the ball rolling.