1girl, adjusting_clothes, adjusting_swimsuit, bare_legs, bare_shoulders, barefoot, breasts, covered_navel, fate/grand_order, fate_(series), helena_blavatsky_(fate), helena_blavatsky_(swimsuit_archer)_(fate), helena_blavatsky_(swimsuit_archer)_(first_ascension)_(fate), looking_at_viewer, one-piece_swimsuit, ponytail, purple_eyes, purple_hair, school_swimsuit, short_hair, short_ponytail, sitting, small_breasts, smile, solo, swimsuit, white_background, white_one-piece_swimsuit, yamachi_(xadp7533)