When you've got more than one side to yourself, it's best to keep your guard up if you want to stay the dominant side. Napping at the wrong time and letting your guard down...well, you just might wake up entirely different...!
This was 2 of 3 collaborative commissions I did in joint with rednoodle.inc, this one starring commissioner roamingshadow's characters Damian and Damina...which apparently share the same body! The curious for more details can go see Shadow's submission of the pic, with a story, here: http://www.furaffinity.net/view/16108562/
In this case, Damian the wolf took a nap and Damina the dragon is taking dominance over his body while he snoozes. This was a pretty difficult-to-color mid-TF picture, as both characters were the same color; I elected to use some fur-texturing to denote what parts were the furry Damian and what parts were the scaly Damina. :3