The scene is Steam City, a London-ish city which represents an entire civilization run by coal and steam power. Because of steam, the city is sometimes covered in a mist. Villains take advantage of the steamy mist to hide and execute their evil plans. Only a few dare venture into what's beyond the steamy mist. They are known as the Steam Detectives: Narutaki (and his convertible all-purpose pistol), his nurse-assistant Lingling, and his Megamaton robot Gohliki. (Source: ANN)

A renegade scientist in San Francisco has found a way to create a new creature called a Neo-Aragami without the power of Susanoo. When these monsters start to terrorize California, the U.S. turns to the old members of the Terrestrial Administration Center (TAC) for help. (Source: ANN)