2014 5_fingers anal anal_sex animal_genitalia animal_penis anthro anthro_on_anthro balls black_hair chewycuticle cum cum_in_ass cum_inside cum_on_self cumshot digital_media_(artwork) donkey dragon duo ejaculation equine equine_penis erection fur furred_dragon gay gloves_(marking) hair hi_res horn horsecock humanoid_penis inside interspecies khris_dragon male male/male male_only male_penetrating mammal markings masturbation medial_ring navel nipple_piercing nipples nude open_mouth orgasm penetration penile_masturbation penis piercing pink_penis purple_hair scalie sex short_hair spread_legs spreading yaoi zigg