Rule 34 Dev - 2boys all_fours anal anal_sex anthro anthro_on_anthro anus ass balls barazoku barefoot bed bedroom biceps big_butt canine closed_eyes demon doggy_style dragon erection eyewear fangs floppy_ears from_behind_position fur gay glasses humanoid_penis inside kristakeshi male male_only mammal muscular nude on_top open_mouth pawpads paws pecs penetration penis presenting presenting_hindquarters rennin reyes rottweiler scalie sex sharp_teeth smile spread_legs spreading teeth thick_penis thick_thighs tongue tongue_out triceps yaoi|3021173896