Aquí te dejo un pr0mtp para que lo copies y lo uses con este
LoRA.

leticia, masterpiece, best quality, 1 girl, long dark brown hair, hair tied to one side, long coat, fully closed coat, covering the whole body, graceful silhouette, dark brown fur color, slight blush, slightly parted lips, squinted eyes, shy but curious look, lock-shaped choker, standing pose, three-quarter view to the right, character looking slightly to the right, supermarket background full of grocery items