FURVERT!

abs alpha_channel anal anal_masturbation anal_penetration animal_genitalia animal_penis anthro balls biceps big_knot black_body black_fur bodily_fluids canid canine canine_genitalia canine_penis canis claws dildo dildo_in_ass dildo_insertion dildo_penetrating_male dildo_sitting dripping fur genital_fluids genitals grey_body grey_fur grey_hair hair hi_res hunterramirez karl_(karlwolf)knot male mammal masturbation multicolored_body multicolored_fur muscular muscular_anthro muscular_male muscular_thighs nipples object_in_ass pecs penetration penile penile_masturbation penis precum precum_drip red_body red_fur sex_toy sex_toy_in_ass sex_toy_insertion simple_background size_difference smaller_male solo striped_body striped_fur stripes transparent_background vein veiny_dildo veiny_muscles veiny_penis white_body white_fur wolf yellow_eyes