1girl, arms_behind_back, backless_dress, backless_outfit, blue_choker, blue_dress, blue_hair, choker, cocktail_dress, dress, flower, from_behind, genshin_impact, hair_ornament, holding, holding_flower, kamisato_ayaka, light_blue_hair, long_hair, m_alexa, ponytail, simple_background, sleeveless, sleeveless_dress, solo