I just got and started using Manga Studio, because it should (hopefully) make final book production easier. But, like any new piece of software, it is both tantalizing and overwhelmingly frustrating. Hopefully I'll pick up the basics quickly enough to make it a good investment. Since Mark! complained that "it's too hard to read white text on black," I redid a scene with less white on black. It still needs some work, but here's the basic idea:
Now, C's text is on a White background that is slowly encroaching on M's Black background.
And here's the finished page with C at the desk working, while M schemes.