A yokai hunter's job is never done! Bibi and Miyu's class is off on a trip to beautiful Okinawa! While the girls are hoping for a relaxing beach vacation, they're instead dragged out hiking on a mountain and told to sketch interesting plants and animals. But when Bibi accidentally stumbles over a mushroom in the forest, she angers a ghost who claims that mushroom was its house! Can the girls calm the spirits of the forest without their teachers and classmates noticing? -- Back cover.
