FURVERT!

anal anal_penetration animal_genitalia anthro balls black_body black_fur blue_eyes canid canine canis comic dialogue english_text fully_sheathed fur genitals grey_body grey_fur hair harness hi_res ice knot_university laboratory male mammal mustelid otter outside paradoxicalotter penetration penile penile_penetration penis penis_in_ass penis_tip sex sheath speech_bubble sunitai swimming text underwater water white_body white_fur white_hair wolf