FURVERT!

16:9 a_dusty_wolf all_the_way_through ambiguous_gender anal anal_penetration anal_threading animal_genitalia animal_vulva bodily_fluids border_collie camera camera_view canid canine canine_genitalia canine_vulva canis collie colonoscopy comic daisy_(lofireads)dialogue disembodied_hand domestic_dog duo embarrassed endoscope english_text female female/ambiguous feral genitals ghost_hand guts herding_dog hi_res humor internal internal_anal intestines lying mammal medical medical_examination medical_instrument on_side organs pastoral_dog penetration questionable_consent saliva saliva_string scientific_instrument sheepdog text threaded_by_object vulva widescreen