ergouzi echo, mio (arknights), arknights, absurdres, highres, 1girl, black hair, black kimono, black sash, blue eyes, flower, hair flower, hair ornament, hair wings, holding, holding sword, holding weapon, japanese clothes, kimono, long hair, long sleeves, obi, obiage, obijime, pink flower, ripples, sash, solo, sword, two-tone kimono, very long hair, wakizashi, water, weapon, white kimono, wide sleeves