FURVERT!

absurd_res animal_genitalia animal_penis animal_print anthro anus backsack balls big_balls big_penis biped butt equid equine equine_genitalia equine_penis erection fully_sheathed genitals heterochromia hi_res hoof_markings hoofprint hooves male male_anthro mammal medial_ring model_sheet mottled mottled_balls mottled_genitalia mottled_penis nipples nude nude_male penis scrotum_flap sheath sinningfox solo stripes tail tattoo unguligrade vancha_chikoze_(ogilvan)vein veiny_penis zebra zebra_print