1girl, animal_ear_fluff, animal_ears, arknights, barefoot, blue_sky, cat_ears, closed_mouth, cloud, day, dress, feet, floating_hair, green_eyes, grey_hair, legs, long_hair, looking_at_viewer, low_ponytail, official_alternate_costume, outdoors, ponytail, rosmontis_(arknights), rosmontis_(become_anew)_(arknights), sky, sleeveless, sleeveless_dress, smile, solo, standing, standing_on_one_leg, toes, very_long_hair, white_dress, ykuu_yousei