Rule 34 Dev - 2boys ao_no_exorcist bad_id bad_pixiv_id black_hair blue_eyes brothers fangs fire flame-tipped_tail flaming_sword flaming_weapon formal_clothes glasses jiku_(0128hirosi) multiple_boys necktie okumura_rin okumura_yukio open_mouth pointy_ears siblings striped_necktie striped_neckwear suit sword tail weapon|2532659454