3_toes abs anthro anus balls bara barazoku bodily_fluids erection feet gaping gaping_anus genital_fluids genitals grin hands_behind_head humanoid_genitalia humanoid_penis lying lying_down male muscular muscular_anthro muscular_male nipples on_back pawpads penis precum sauna smile solo spread_legs spreading sweat sweating sweaty toes vein veiny_penis rulethony34tano_(director) domestic_cat felid feline felis mammal tail