1girl, artoria_caster_(fate), artoria_caster_(second_ascension)_(fate), artoria_pendragon_(fate), blonde_hair, blush, bow, dress, fate/grand_order, fate_(series), green_eyes, hands_on_headwear, hat, long_hair, mayu-mayu1026, outdoors, sleeveless, sleeveless_dress, straw_hat, twintails, wrist_cuffs