Rule 34 Dev - abs anthro balls biped black_body black_fur black_hair blue_eyes erection fur genitals grey_body grey_fur hair half-erect hand_on_knee hand_on_leg humanoid_genitalia humanoid_penis lying male multicolored_body multicolored_fur navel on_side penis pose simple_background solo two_tone_body two_tone_fur sioteru chinchilla chinchillid mammal rodent 2015|3410586270