Rule 34 Dev - 69_position abs anthro balls biceps big_balls big_muscles big_penis black_balls black_fur black_penis blonde_hair brown_eyes brown_hair canine chest_tuft equine facial_hair fellatio fur goatee grey_eyes grey_penis hair hi_res hooves horse kartos male mammal multicolored_fur muscular nipples oral pecs penis sex simple_background tan_fur tuft two_tone_fur vein veiny_penis white_background white_fur wide_eyed wolf yaoi|2349918432