1girl, aged_up, ahoge, animal_ear_fluff, animal_ears, aogisa, arknights, bikini, black_bikini, blue_eyes, breasts, cleavage, closed_mouth, extra_ears, fox_ears, hair_ornament, headphones_for_animal_ears, jewelry, light_brown_hair, medium_breasts, necklace, official_alternate_costume, short_hair, short_hair_with_long_locks, simple_background, solo, sussurro_(arknights), sussurro_(summer_flower)_(arknights), swimsuit, upper_body, white_background, x_hair_ornament