all_fours anal_prolapse anus back_muscles bald balls bara barazoku bed bedroom big_anus big_ass big_balls big_butt black_body black_skin blush bodily_fluids butt dark_body dark_skin flaccid furniture gaping gaping_anus genitals hooves horn humanoid_pointy_ears hyper hyper_anus hyper_gape kneeling long_tail looking_at_viewer looking_back looking_back_at_viewer male muscular muscular_humanoid muscular_male musk musk_clouds nightmare_fuel on_bed on_knees penis perineum pillow prolapse raised_tail rear_view sharp_teeth solo spade_tail sweat sweating sweaty sweaty_anus sweaty_balls sweaty_body sweaty_butt sweaty_genitalia teeth thick_thighs vein veiny_balls veiny_penis white_eyes rulethony34tano_(director) demon humanoid tail hi_res