The nightmare in Naruhata continues as Koichi goes toe-to-toe with Number 6, who has transformed into a horrific predator bent on ending the Crawler's life! When the situation gets a little too hot to handle, Koichi realizes this may be a job for real heroes. Until they arrive, though, the battle is up to him--with an assist from Knuckleduster! But the evil looming behind Number 6 is still spurring on the vengeful villain, who has yet to unleash his final form.