Rule 34 Dev - 1boy all_fours ass back back_muscles back_view big_ass big_butt black_hair black_mask black_thong black_underwear blue_background bulge cherrygayboi dark_blue_hair dc dc_comics dick_grayson eye_mask human human_only light-skinned_male light_skin looking_at_viewer looking_back male male_focus male_only mask masked masked_male muscles muscular muscular_back muscular_male nightwing presenting presenting_ass presenting_butt solo solo_focus solo_male thong thong_only underwear underwear_only|11460087408