Mochizuki Touya has no time to rest. The fate of 2 worlds hang within the balance, finally. The Metal Devils, guided by Yula and seemingly supported by two mysterious twins, are at the rampage… They have mercilessly targeted the souls of folks in both the sector Touya knows, and the Reverse World! Armed together with his new Frame Gear, Reginleif, will Touya have the ability to stop the malignant machinations of a wicked god? Fissures in space start to crack, revealing a story of swords, sorcery, and a corrupted knight!