armor armored_dress arms_up black_eyes black_footwear black_hair black_wings boots demon_wings floating_hair full_body gauntlets hair_ornament high_heel_boots high_heels holding holding_sword holding_weapon knee_boots leg_up long_hair looking_at_viewer official_art solo standing standing_on_one_leg sword sword_art_online sword_art_online:_code_register transparent_background very_long_hair weapon wings yui_(sao)