FURVERT!

2_toes abs anal anal_masturbation anal_stretching anus anus_held_open autofisting autopenetration balls barefoot biceps big_balls big_butt big_muscles big_pecs big_penis bodily_fluids brown_balls brown_body brown_penis brown_skin butt classic_doom claws demon doom_(series)duo feet fingering fingering_self fisting gaping gaping_anus genitals grin hairless huge_muscles huge_pecs huge_penis humanoid humanoid_genitalia humanoid_penis id_software imminent_anal imminent_sex imp_(doom)legs_up looking_at_genitalia looking_at_penis lying male male/male masturbation microsoft monster monstrous_humanoid mr_canvas muscular muscular_arms muscular_humanoid muscular_legs muscular_male muscular_thighs noseless not_furry nude on_back open_mouth pecs penetration penis red_background red_eyes red_penis simple_background smile spiked_body spikes spread_anus spread_legs spreading submissive submissive_male sweat sweatdrop sweaty_balls sweaty_body sweaty_butt sweaty_chest sweaty_feet sweaty_genitalia sweaty_legs sweaty_thighs tan_body tan_skin teeth thick_thighs toes