FURVERT!

abdominal_bulge animal_genitalia anthro anus balls big_balls big_penis blonde_hair bound brown_body brown_fur canid canine canis duo erection eyes_closed feet fur genitals grey_body hair hands_tied holding_partner holding_partner's_leg huge_penis kneeling knot male male/male mammal membrane_(anatomy)mustelid open_mouth otter otter_tail pandottermon penis pink_anus pink_background questionable_consent red_penis sharp_teeth sheath simple_background smile teeth toes webbed_feet wolf