after_anal anthro anus balls bent_over black_background blush bodily_fluids breath butt clothing cum cum_in_ass cum_inside genital_fluids genitals gloves handwear leaking_cum male presenting presenting_anus presenting_hindquarters simple_background smile smirk solo sonic_the_hedgehog_(series) onevice knuckles_the_echidna echidna mammal monotreme hi_res