A mysterious extraterrestrial entity has taken residence in Utugi Minoru’s body. Having mastered the power of Isolation, he managed—though with difficulty—to defeat the maniac Ruby Ai. And the “Accelerator,” the girl named Yumiko, invites Minoru into a secret organization tasked with protecting humanity from the threat of Ruby Ai. In pursuit of a “world of absolute solitude,” Minoru agreed… but with one condition: the organization will help erase all traces of his existence. A new enemy, Ignighter, is able to command oxygen. The enemy is treacherous and extremely dangerous. What will happen to a young man who can isolate himself from everything in the midst of endless battles? The curtain rises! (c)