FURVERT!

absurd_res anal anthro avian bird blush canid canine canis collar demon duo feathers fur genitals grey_body grey_feathers grey_fur hellaverse helluva_boss heterochromia hi_res humanoid knot knotted_penis larger_sub lazzy lazzy_koala leash leash_pull leashed_collar male male/male mammal nala_urbff owl penis size_difference stolas_(helluva_boss)submissive wolf