On the shores of the Kin domain sits a grand port city, a trove of treasures and delicacies from all over the continent. When the prince of a neighboring kingdom drops in for a visit, it's up to Kou Reirin, Shu Keigetsu, and Kin Seika to welcome him. Unfortunately for the girls, the flamboyant, prodigal Prince Nadir stubbornly stymies every aspect of their hospitality. Never one to let a slight against her friends stand, Reirin prepares to strike back. Little does she know that a greater conspiracy is unfolding behind the scenes!