The protagonist meets this mysterious girl at the island. She always drags around with her a large suitcase.<br /> <br /> She would never ever tell what is inside.<br /> Just like Takahara Hairi, she only stays on the island until the end of summer.<br /> <br /> With an old map, she wanders around the island looking for something. She said that is a treasure map.<br /> <br /> "Let's go. To where the pirate ship dwells."<br /> <br /> (Source: Summer Pockets Wiki)<br /><br />