Still chasing the scattered feathers of Princess Sakura's memory, Syaoran and his companions Fai D. Flourite, Kurogane, and Mokona arrive in the Country of Birdcages, a realm sealed inside a single giant cage. There they meet a hidden princess resisting the ruling king's plan to exploit her and her bird companion's powers, and Syaoran uncovers another of Sakura's lost feathers in the process. This 35-minute film is a stand-alone stop in the Tsubasa: RESERVoir CHRoNiCLE saga, released alongside the xxxHolic film in 2005.