When Yuna stops by Talgwei, the mythical floating island that roams the world, she discovers a new, unfamiliar land across the sea. It turns out to be a dream come true and soon, Yuna arrives in the Land of Wa! There, she can finally get her fill of her beloved Japanese cuisine and take a dip in the hot springs, but not everything is peaceful in her fantasy home away from home. Soon, a mysterious ninja girl appears before her, and Yuna learns that the Land of Wa is in great peril. ​What new adventures will unfold in this foreign yet familiar land?