2girls, arknights, bare_shoulders, black_wings, blue_eyes, blue_hair, blue_nails, blue_sky, breasts, cleavage, closed_mouth, cloud, day, detached_wings, dress, fiammetta_(arknights), fuyuumikou, hair_between_eyes, halo, hand_up, horns, long_hair, looking_at_viewer, looking_away, looking_to_the_side, medium_breasts, mostima_(arknights), mountain, multiple_girls, nail_polish, outdoors, parted_lips, red_eyes, red_hair, sitting, sky, sleeveless, sleeveless_dress, very_long_hair, water, white_dress, wings