The Anti-Demon Corps HQ was a heavily armored building built upon a old weapon factory that was spared by the demons' attacks on humanity's weapons supply. some of the known rooms in it was the main hub for the Demon Busters, the Demon science labs and torturing rooms. The young Devilman Miko and Miki and Tare Makimura's parents were brought here to be tortured, but only Miko survived as the parents died after being horribly tortured, Miko  was rescued by Akira after he killed the three men responsible for Miki and Tare's parents.