Headscratchers / Object Cubes

Will a Season 2 happen?

It is not known If a Season 2 will Happen, but if it does, some Season 1 and some debuters will compete.

What happens to the Fourth Generation if Season 2 doesn't happen?

If it doesn't happen, the Fourth Generation could be the final Object Cubes related thing.

Will there be a second debut or not?

There will around Episode 16, however after that there might be a third debut in season 2 after.