It's great that you're planning a fanfic with all new fakemon and a new region. It'll be interesting to see how a trainer will explore it, especially a new trainer with an experienced one.
If you're looking for more advice on your plot, post in the Plot Bunny thread with more description about your story. If you need help or what advice on anything else, make a new thread about it with your question. Other than that, when you're ready to post your story, just start a thread in the main forum.
Hope this helps!