FURVERT!

absurd_res all_fours anthro anus arm_spikes back_spikes balls barazoku bent_over big_balls big_butt blackheart_(marvel)blush bodily_fluids butt butt_focus claws clothing demon featureless_face gaping gaping_anus genitals hair heart_symbol hi_res huge_balls looking_at_viewer looking_back male mammal manly marvel monster mr_canvas muscular muscular_anthro muscular_arms muscular_male muscular_thighs presenting presenting_anus presenting_balls presenting_hindquarters raised_tail red_eyes saggy_balls simple_background solo spiked_tail spikes spikes_(anatomy)spiky_hair sweat sweaty_balls sweaty_genitalia tail underwear