Napping Princess (ひるね姫 〜知らないワタシの物語〜) is an anime fantasy adventure film. It was produced by Signal.MD and written and directed by Kenji Kamiyama. It was released in Japan by Warner Bros. Pictures Japan on March 18, 2017. The film was released in the United Kingdom by Anime Limited on August 16, 2017.
Synopsis
Kokone should be diligently studying for her university entrance exams, but she just can't seem to stay awake. Aside from stealing precious study time, her napping is even more distracting, as it brings on strange dreams with warring machines that hint at family secrets that have been dormant for years.