Rule 34 Dev - 2014 all_fours anthro anus ass backsack balls big_dom_small_sub black_scales blue_eyes blue_markings blue_penis blue_scales bondage bound canine cave collar colored_cum crystals cum cum_in_mouth cum_inside cum_on_back cum_on_face cum_on_hand cum_on_penis cum_on_tongue cumshot diphallia diphallism dragon duo dutch_angle ejaculation erection fellatio fur furry green_markings green_scales grey_fur highres interspecies leash leash_pull licking looking_up low-angle_view male mammal markings multi_penis multicolored_penis nude oral orange_cum orgasm penis penis_lick perineum plussun purple_cum red_penis scales scalie sex size_difference standing tongue tongue_out unusual_cum wings yaoi|2459538280