FURVERT!

4:5 animal_genitalia animal_penis anthro belly briefs briefs_only canid canine canine_genitalia canine_penis canis clothed clothing clothing_aside genitals hi_res knot knotted_penis looking_at_viewer male mammal markings mobilemutt monochrome penis retracted_sheath sheath slightly_chubby solo star_(marking)topless underwear underwear_aside underwear_only vingant wolf