FURVERT!

4_toes afghan_hound anthro biped bluedmoka boxers_(clothing)bulge canid canine canis clothed clothing collarbone digitigrade domestic_dog eister erection feet full-length_portrait greyscale guide_lines hand_behind_head hunting_dog male mammal monochrome morning_wood portrait sighthound simple_background sketch skimpy solo standing toes topless underwear white_background