FURVERT!

2016 african_wild_dog animal_genitalia animal_penis anthro balls biped boxers_(clothing)canid canine canine_genitalia canine_penis clothing detached_sheath genitals hi_res kneeling male mammal monochrome mostly_nude navel penis penis_poking_out penis_through_fly penis_tip sheath sheath_through_fly simple_background sketch smile solo tsaiwolf underwear