1girl, ahoge, animal_ear_fluff, animal_ears, arknights, bag, bare_shoulders, bikini, black_bikini, blue_eyes, breasts, collarbone, fox_ears, grey_hair, hair_between_eyes, hair_ornament, hairclip, hand_up, holding_strap, innertube, navel, official_alternate_costume, see-through, simple_background, small_breasts, solo, stomach, sussurro_(arknights), sussurro_(summer_flower)_(arknights), swimsuit, toki_(yoyobozi), transparent, white_background, x_hair_ornament