After a comet strikes Japan, Ramia mysteriously goes missing, and Sasami's life seems to have returned to some semblance of normality. A week after the impact, the Kawai family take a trip to the beach resort near the site, but the town is attacked by a mysterious man who has taken over Ramia's task of dethroning Tsunami. Meanwhile, Washu investigates a strange extraterrestrial life form that was found at the crash site.