1girl, a_tea, ahoge, arknights, bikini, chinese_text, goggles, goggles_around_neck, greyscale, id_card, jacket, jacket_over_swimsuit, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), monochrome, navel, official_alternate_costume, sandals, short_hair, solo, swimsuit, thigh_strap, undressing