Magical Girl Lyrical Nanoha (魔法少女リリカルなのは Mahō Shōjo Ririkaru Nanoha) is a Japanese anime television series directed by Akiyuki Shinbo, with screenplay written by Masaki Tsuzuki, and produced by Seven Arcs. It forms part of the Magical Girl Lyrical Nanoha series. The Japanese Association of Independent Television Stations broadcast 13 episodes between October and December 2004. The series is a spin-off of the Triangle Heart series and its story follows a girl named Nanoha Takamachi who decides to help a young mage named Yūno to recover a set of 21 artifacts named the "Jewel Seeds".