Sixteen-year-old Mikako Nagamine enlists as a pilot to fight in the interstellar war against a force of alien invaders, leaving behind her one true love. Mikako's only connection to Noboru Terao, who's living the life of an ordinary high school student, is through cell-phone text messages. As Mikoko travels farther away, it starts to take longer and longer for Noboru to receive her messages, until finally one arrives eight years and...