Rule 34 Dev - 1boy abs armpits arms_behind_head artist_name bara batman_(series) black_hair closed_mouth cloud completely_nude dc_comics dick_grayson domino_mask erection highres jezz_mons_art large_pectorals male_focus mask muscular muscular_male navel nightwing nipples nude outdoors pectorals penis short_hair sky smile solo testicles thighs|18900052704