2girls, aqua_dress, arknights, black_hair, breasts, china_dress, chinese_clothes, dress, dusk_(arknights), dusk_(everything_is_a_miracle)_(arknights), horns, long_hair, looking_at_viewer, medium_breasts, multiple_girls, nian_(arknights), nian_(unfettered_freedom)_(arknights), official_alternate_costume, open_mouth, pointy_ears, ponytail, purple_eyes, red_eyes, sidelocks, sleeveless, sleeveless_dress, tail, upper_body, white_dress, white_hair, yamasede_neiko