Rule 34 Dev - 1boy black_hair black_tank_top closed_mouth collarbone colored_skin evil_grin evil_smile grin highres holding holding_knife knees_up knife looking_at_viewer male_focus omori omori_(omori) open_mouth raddy_358 shaded_face simple_background smile solo something_(omori) tank_top teeth twitter_username white_background white_eyes white_skin|27695076552