Rule 34 Dev - 2016 anal anal_sex anthro anthro_on_feral barefoot beard biped black_claws black_hooves black_penis black_tail bondage bondage_gloves bound brown_fur brown_hair canine chastity chastity_cage chastity_device claws closed_eyes cum cum_in_ass cum_inside digitigrade duo equine eyebrows faceless_male facial_hair feral floppy_ears from_behind_position fucked_in_chastity fur furry goatee grey_nose hooves horse kayphix larger_male male male/male male_chastity male_on_feral male_only male_penetrating mammal mounting multicolored_fur nude open_mouth orange_fur orange_tail penetration penis quadruped sex shadow size_difference smaller_male snout toe_claws toes two_tone_fur virtyalfobo yaoi yellow_fur zoophilia|2542526840