The Anti-Demon Corps HQ was a hevaliy armourd building built apon a old wepon factory that was spared by the demons' attacks on humanitys wepons supply. some of the known rooms in it was the main hub for the Demon Busters, the Demon science labs and torchering rooms. The young Devilman Miko and Miki and Tare Makimura's parents were borght here to be torcherd, but only Miko survived as the parents died after being horribly torcherd, Miko  was rescued by Akira after he killed the three men responsible for Miki and Tare's parents.