Since the last battle, Miu's slump hasn't gone away and with Painkiller unable to advance, has further prolonged her state. Miu' reckless drive to train has left her body and spirit broken. Miu finally cheers up when Kouichi comes to visit. Meanwhile, the Katou Organization has set up Spheres throughout the world on a large-scale trajectory to open up a multidimensional invasion. Shizuna and Izuna are dismayed to see the United Nations siding with the Katou Organization. Kouichi and Miu set out to help fight against Sobi Nakajima and Yurianne.