Just some quick observations- you've got a good eye for storytelling and proper pacing and seem to understand perspective to some degree.  My primary advice would be to keep in mind that readers expect to read your comic the same way that they would read text, left-to-right and top-to-bottom.  Try to keep the text set up that way and it makes the story easier to follow.

As for your self-assessment ("I can't draw") I would disagree. You seem to think like an artist and you've got good sequential storytelling skills.  However I don't get the impression that you want to do it, and that could be an obstacle (this is not a negative thing in and of itself, mind you).  But a writer who understands art will generally have very positive experiences with artists.  I hope you can find a collaborator, I'd love to see this story develop.

This is an awesome start. Your linework, proportions, anatomy, character design, and everything else all show great promise. The only thing left to do is practice, and what better way to practice than do your own comic. You'll definitely get better as you go along, and you could always do it over 2 or 3 times, improving it each time.

By the way, have you seen this tutorial I had commissioned?
Extensive 16 page female muscular anatomy tutorial commission

This is good stuff.

Keep it up.

Thank you for your feedback. I've tried to work some of it into this next part. I hope you like it. As always, any hints on how to improve are welcome. And I'll try to improve the anatomy next! Also: speech bubbles.