FURVERT!

1:1 2016 abs anal anal_penetration animal_genitalia animal_penis anthro anus balls big_balls canid canine canine_genitalia canine_penis canis comic dialogue duo english_text erection extreme_size_difference fennec_fox fox from_behind_position genitals growth hi_res huge_balls knot larger_penetrated larger_sub male male/male male_penetrated male_penetrating male_penetrating_male mammal merffle nude penetration penis serge_(oversizedfen)sex size_difference submissive text true_fox wolf