abs anthro bodily_fluids body_hair boxer_briefs clothing cum detailed_background ejaculation facial_markings foreskin fur genital_fluids genitals hand_on_penis happy_trail head_markings humanoid_genitalia humanoid_penis inside leaning leaning_forward locker_room male markings masturbation multicolored_body muscular muscular_anthro muscular_male nipples pecs penis realistic smile solo tan_body tan_fur underwear vein veiny_penis smiley canid canine canis mammal wolf