2019 abs animal_genitalia animal_penis anthro arawn balls bed bedroom biceps blush canid canine canine_genitalia canine_penis canis caress claws digital_media_(artwork) digitigrade duo erection eye_contact frottage fur hair hi_res howlfei howlfeiwolf inside knot long_hair looking_at_another male male/male mammal muscular muscular_male nude open_mouth pecs penis ponytail saliva sex size_difference smile tattoo teeth tongue vein veiny_penis wolf yellow_eyes