20th Century Fox Japan

May 9, 2003 - The Japan Aerospace Exploration Agency (JAXA) launches its unmanned spacecraft Hayabusa into orbit. Its mission is to collect samples from a near Earth asteroid named 25143 Itokawa. Hayabusa is scheduled to make contact with the asteroid in November 2005. As the spacecraft approaches its rendezvous date with the asteroid problems arise for the JAXA staff back on Earth.

Job-hunting Daisuke heads to the Antiquarian Bookshop Biblia in Kita-Kamakura with a book signed by Natsume Soseki that his deceased grandmother left behind. He asks the beautiful shop owner Shioriko to authenticate the book. However, the book in question hides an unexpected secret from his grandmother.