1girl, animal_ears, aqua_eyes, arknights, bare_arms, bare_shoulders, cat_ears, dress, grey_hair, hair_intakes, long_hair, open_mouth, outdoors, petals, rosmontis_(arknights), rosmontis_(become_anew)_(arknights), sleeveless, sleeveless_dress, solo, upper_body, very_long_hair, welt_(kinsei_koutenkyoku), white_dress