Chyoa is a website where literally anyone good or bad has the potential to write a chapter for a story they love. As long as they make a decent effort and write up more than just a paragraph or two, then it should be fairly simple. You don't even really need proper grammar with programs like Grammarly. Which is free to use. Now, OMG Mom! Is a private story, but the writer still seems to be reasonably active. You would have better luck messaging the writer directly, or offering your own chapter rather than asking a bunch of people who probably have their own projects that aren't private stories. so basically...
