Rule 34 Dev - 1boy akiyama_enma angry back black_hair demon demon_boy demon_wings devilman devilman_crybaby fangs fudou_akira head_wings highres looking_at_viewer looking_back male_focus messy_hair muscular muscular_male open_mouth red_background red_eyes sanpaku short_hair sideburns simple_background solo talons twitter_username wings|20999020419