FURVERT!

abdominal_bulge ambiguous_gender animal_genitalia animal_penis balls belly big_belly bodily_fluids butt canid canine canine_genitalia canine_penis canis crouching erection feral fox fully_inside genital_fluids genitals group knot male male_pred mammal oral_vore partially_inside paw_imprint penis rear_view red_fox size_difference soft_vore tail tail_sticking_out trio true_fox vore vulpes-vulgaris wolf