Playing the main role, Makoto Yuki lives a double a life. An average student in the day. A soldier in the night. With a story planned out, he would have just to follow the sequence of event in an orderly fashion. But that wasn't the case when a certain someone comes in to bring mysteries wherever they go. Minako Arisato. Curious of her actions, Makoto ends up joining her parade. Doing his duty, he takes on a side quest on figuring it out. But much to his surprise, his expectations and questions are exceeded by Minako herself. How long and what ever it be, there was only a fleeting day left.