Rule 34 Dev - 4_toes 5_fingers abs anthro anus balls barbell beard bench_press biceps big_muscles black_body black_latex blush bodily_fluids clenched_teeth corruption ejaculation erection exercise facial_hair feet fingers foreskin fur genitals goo_transformation green_body green_eyes green_tongue gym hair humanoid_genitalia humanoid_penis latex looking_pleasured lying male multicolored_body muscular muscular_male nipple_piercing nipple_ring nipples on_back open_mouth orgasm_from_workout pawpads pecs penis piercing pubes quads retracted_foreskin ring_piercing solo sweat teeth three-quarter_view toes tongue tongue_out transformation two_tone_body vein veiny_muscles veiny_penis workout yibian_sz canid canine canis domestic_dog goo_creature mammal wolf hi_res signature|21707570885