Ancien to Mahou no Tablet: Mou Hitotsu no Hirune Hime Ancien and the Magic Tablet: Another Napping Princess
A spin-off of "Hirune Hime: Shiranai Watashi no Monogatari" (Ancien and the Magic Tablet) centering on the adventure of Ancien, a girl that keeps appearing in Kokone's dreams. The story of the dream is one that Kokone's father told her as a mysterious fairy tale when she was little. The short expands on the story from the film.
[Source: Anime News Network]