Oni's squishing small things

I put together a submission to the open call for Fantagraphic's Beasts! Book Two. I did a pair of oni happy at work.
And the sketches (most of them) that got me there:



And here's the original greyscale image before I added on colors:


I weirded out my friends when I told them I wanted the little hell guys to look pink and sore... haha whoops! Huh huh, I hopes you like em!