Rule 34 Dev - 2boys anthro anus ass backsack balls big_ass big_butt black_body blue_body bottom_heavy crouching drain_scat duo feces feces_in_ass feces_on_ground feet generation_4_pokemon genitals gym hi_res huge_ass inside looking_at_viewer looking_back looking_back_at_viewer lucario male multicolored_body nintendo nude pawpads pokemon pokemon_(species) pooping_on_floor pooping_together presenting presenting_hindquarters public public_nudity riolu scat two_tone_body yaoi|12372237656