Returning to Lake Kiriya City, Nonoka Komiya is surprised to see that the giant saucer that appeared shortly before she and her family left seven years ago still hovers over the city. Also she doesn't remember a girl named Noel who confuses her by claiming that they had met before and has been waiting for her return. As Nonaka focuses on reconnecting with her old friends, odd memories that were suppressed by her mother's death being to return, that may even involve a forgotten previous meeting she had with Noel.
