And, once she comes to that conclusion, what are her options?
Clearly, from the description, there is some way she can cause changes to the script.
She is now seeing images of the pages prior to their being "published"; can she change them at that time? Somehow edit them?
Or will it be a case of forcing herself to act contrary to the script in "real time", and seeing how the other characters respond? How will the Mangaka react to her rebellion?