On the last day of his beach vacation, Aki receives a mysterious text from Lilith. When he returns to Pieve Olimpia, he discovers that Lilith and her entire family seem to have vanished into thin air. Sick with worry for his friend, Aki rushes off to find Mr. Filippotti, who tells him that Lilith has gone to the parallel crystal called Atum, inhabited by the gods and mythological creatures of Ancient Egypt. It turns out that one of Lilith's recurring...