A whole year has passed since Cocoa first stepped foot in Rabbit House Café, and now the school year has come to a close. But the end of the term brings a new set of adventures! Each day is packed with fun and excitement as the girls hunt for treasure, have tea parties, and row around in boats. But when Cocoa starts acting strange, Chino and Rize can't help but worry--why is she suddenly working so hard?!