1girl, ahoge, arknights, ball, bare_shoulders, beachball, bikini, black_eyes, black_hair, breasts, cleavage, feet_out_of_frame, hair_intakes, hair_ornament, hairclip, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), medium_breasts, navel, official_alternate_costume, partially_submerged, sitting, soaking_feet, solo, stomach, swimsuit, togekk0, white_bikini