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