Shiden Kanzaki: 11 books

With the chaos of the Third Kanto Battle subsiding, peace is finally returning to the Tendo Civil Security Agency, and Rentaro, Kisara, Enju, and Tina are taking full advantage of the quiet. But when an old friend from Rentaro's childhood reappears, their bright days turn suddenly dark--and Rentaro...

One of the giant Monoliths that protects Tokyo Area from the virally superpowered Gastrea creatures has been destroyed. And right on schedule, the Stage Four Gastrea Aldebaran leads an invading army of the monsters into the city. The elite self-defense forces are sent to face them, and the terrible...

Rentaro, Enju, Kisara, and the fearsome sniper Tina--just when they thought the future was looking slightly less uncertain, they're confronted with a terrible discovery: One of the giant monoliths that protects Tokyo Area from invasion by the monstrous Gastrea is on the verge of collapse, putting...

The Akasaka Palace reception hall is playing host to a summit welcoming the leaders of Japan's five governmental Areas. The Seitenshi, host and head of Tokyo Area, greets her equivalents from Osaka, Sendai, Hakata, and Hokkaido, and few are willing to lend a sympathetic ear to her attempts at brokering...

Rentaro is still a fugitive, running from the law for a murder he didn't commit. He and Hotaru are bruised, bleeding, and barely on speaking terms, but they're equally desperate to uncover the identity of Suibara's killer. However, Police Superintendent Hitsuma hasn't given up on pursuing Rentaro!...

The World Has Already Ended. Following Rentaro Satomi's defeat of the Stage Five Gastrea, Tokyo Area returns to uneasy normalcy. When the ambitious leader of Osaka Area, Sougen Saitake, demands a visit with Lady Seitenshi, she needs a new bodyguard--and who should she pick but the city's new...

The World Has Already Ended. The future--where a terrible battle against a parasitic virus called "Gastrea" has been fought...and lost. Humanity is cornered and lives in despair. Rentaro and Enju face constant danger in their work as a team of anti-Gastrea specialists known as "civil...

The near future. A terrible battle against a parasitic virus called "Gastrea" has been fought...and lost. Humanity is cornered and lives in despair. Rentaro and Enju face constant danger in their work as a team of specialists working for the Tendo Civil Security Agency, one of several groups...

The monstrous mutants created by the Gastrea virus have driven humanity to the brink of extinction. The only thing keeping them out of Tokyo are the giant Monoliths that surround the city and the efforts of civil security officers like Rentaro and Enju. But when they accept a strange mission from...

In the near future, civsecs like Rentaro Satomi and Enju Aihara are humanity's last defense against the viral life-forms known as "Gastrea." But now they're on a different mission, this one straight from the government of Tokyo Area: Stop the rampage of Kagetane Hiruko before he destroys the entire city!

Humanity continues to fight for its right to a future. Rentaro's enemy is the sinister Kagetane Hiruko, but there's another threat-a gigantic Stage Five Gastrea that threatens to destroy everything Rentaro has worked to protect. Overwhelming odds demand unthinkable sacrifice, and even that may not...