"Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he'll do whatever it takes to defend life on Earth as we know it. It's a Neighbor invasion! When sinister new Trion soldiers attack, Osamu stands alongside Border's best to defend the city. But has he improved enough to defeat the surprising power of this new alien foe?"--page  of cover.