Rule 34 Dev - age_difference animal_genitalia anthro ball_play balls clothing disembodied_hand duo genitals grope knot male male/male mostly_nude open_mouth presenting_sheath sheath sheath_play sheath_rub shirt size_difference spread_legs spreading tight_clothing tight_shirt tight_topwear topwear young vivarin1969 nintendo pokemon fan_character canid canine canis generation_4_pokemon mammal pokemon_(species) riolu sketch|21177766890