emutaro, columbina (genshin impact), genshin impact, commentary request, highres, 1girl, back, backless dress, backless outfit, bare shoulders, black hair, dress, from behind, hair ornament, long hair, long sidelocks, looking at viewer, looking back, moon, multicolored hair, night, parted lips, purple eyes, purple hair, sidelocks, solo, unusually open eyes, very long hair, white dress, wing hair ornament