Rule 34 Dev - 1girl 3boys ao_no_exorcist black_hair blonde_hair blue_eyes blue_fire brothers fire flame-tipped_tail flaming_sword flaming_weapon fujimoto_shirou glasses holding holding_sword holding_weapon moriyama_shiemi multiple_boys necktie okumura_rin okumura_yukio pointy_ears ryusui scabbard school_uniform sheath short_hair siblings striped_necktie striped_neckwear sword usui_ryuu weapon|2935022454