1girl, o, ahoge, arknights, armpits, bad_twitter_id, bikini, black_hair, blush, breasts, cleavage, frills, goggles, goggles_around_neck, hair_ornament, id_card, jacket, jacket_over_swimsuit, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), lanyard, large_breasts, long_sleeves, looking_at_viewer, navel, official_alternate_costume, open_clothes, open_jacket, shiben_(ugvu5784), short_hair, solo, stomach, swimsuit, thigh_strap, water, white_bikini