Rule 34 Dev - 2boys anal anal_penetration anon anthro anthro_on_human anthro_penetrated ass big_ass big_butt book bottomless butt clothing doggy_style duo from_behind_position furry gay glowing_eyes grabbing_ass grabbing_from_behind greyscale heart hi_res hog huge_ass huge_butt looking_pleasured male/male male_only mammal motion_lines mr.butterton on_front onomatopoeia penetration pig plap simple_background soulman1 story_at_source superchub sweat tail tail_tuft text thick_thighs topwear tusks wide_hips wilfred_butterton|9606440120