People receive a "Future Mail" that prophesies what will happen to them without advance notice. The contents of the mail are the prophesy of near future and that always comes true. "Future Mail" is sent seven days straight so that if people take advantage of this mail, it is possible to succeed in life. On the other hand, if the prophesy doesn't come true, receivers are destined to pass away. Inaho comes back to her alma mater for ten days as a training teacher after an interval of three years. She enjoys her life at school with old friends and teachers. However her peaceful life changes...

[From Eroge Shop]