Rule 34 Dev - 2012 anal anal_sex anthro anthro_on_feral anus ass balls black blush brown canine canine_penis cum cum_in_ass cum_inside cumshot doggy_style equine erection feral from_behind fuckboy furry gay green_eyes grey grey_hair horse horsecock knot looking_back male markings masturbation no_humans nude open_mouth orgasm penetration penis pink_nose raised_tail rajii tail thighs white_fur yellow zoophilia|1052719280