Absolutely wonderful! Your art style is just plain stunning. I've just found this page for the first time and browsed all the way through, and it's excellent stuff. This little gem in particular stood out to me as tickling is one of my biggest interests. The teasing and the looks of helplessness are perfect.
I do have one question, however - the girl in the picture bears a striking resemblance to the couple pictures of your wife you've painted - is she the girl in the picture, or is that wishful thinking on my part?
I liked part 3. Cant wait for part 4. I think in part 4 things need to deteriorate quickly into some hardcore rpe, followed by Meg draining the young girls life energy (via some form of witchcraft) to sustain herself