1girl, alternate_costume, arknights, ass_visible_through_thighs, beach, bikini, blue_sky, blush, breasts, cloud, day, fiammetta_(arknights), hair_between_eyes, large_breasts, looking_at_viewer, navel, ocean, outdoors, red_eyes, red_hair, ru_zhai, short_hair, sky, solo, swimsuit, tail, thighs, white_bikini