Afterparty?

I remember Attack on Titan had an 'afterparty' after the final movie. It was basically this online game where you could walk through the previous seasons with other people and get some extra lore on all the characters and stuff.

This is what it looked like:
https://www.youtube.com/watch?v=rhi-C3sugbE

I really would love if Boku No Hero did it, but not sure if any news came out for anything like this post the anime concludes?