In 2014, young people led a rebellion against the Japanese government, resulting in the secession of Shibuya from Japan. Years later, after the city was destroyed, Shibuya's residents earn money by becoming Prayers: musicians who battle each other on stage. Wired into their central nervous system, the music of one's opponents causes pain and can even kill. Now, a Prayer named Tasaku is in for a bumpy ride when an amnesia-stricken girl named Shoko falls into his life. Though she appears to be a normal girl, within Shoko lie mysterious powers that have the ability to kill...
In Japan, there is a disturbing rumor being spread that people's shadows are ripping from their bodies, never to be seen again. For one young man, the frightening nature of this rumor is just beginning to manifest in the form of a nightmarish world that he can't seem to escape from. In this place full of dark minions and demons, he and his friends fight futilely against unknown enemies, only to be brought back to the "real world" as quickly as they left it. Is this real, or a dream? Only one person holds the key to destroying and saving the world as he knows it...