Mai Mai Miracle (マイマイ新子と千年の魔法 Maimai Shinko to Sen-nen no Mahō, lit. Mai Mai Shinko and the Millennium-Old Magic) is a Japanese animated film based on Nobuko Takagi's novelization of her autobiography, Maimai Shinko. It was produced by the animation studio Madhouse, distributed by Shochiku, and directed by Sunao Katabuchi. The film debuted at the Locarno International Film Festival in Switzerland on August 15, 2009. It was released in Japan on November 21, and ultimately had a rare seven-month run at the cinemas. The movie's plot is partially based on research on Sei Shōnagon's The Pillow Book.