Sent from her foster home in the city one summer to a sleepy town by the sea in Hokkaido, Anna dreams her days away among the marshes. She believes she's outside the invisible magic circle to which most people belong - and shuts herself off from everyone around her, wearing her "ordinary face". Anna never expected to meet a friend like Marnie, who does not judge Anna for being just what she is. But no sooner has Anna learned the loveliness of friendship than she begins to wonder about her newfound friend...