Joe works in a large bookstore where one day he meets a mysterious girl named Ash. He knows almost nothing about his new acquaintance, but he instantly falls under her spell, and the girl returns his feelings. On one of their dates, Ash tries to tell her lover something important, but an unknown assailant kills her in Joe's presence. The guy falls into a depression and stops leaving the house. But one day he receives a message from Ash and learns a shocking truth about himself. Now he is hunted by a dangerous corporation that is involved in creating an alternate digital universe.