Code of the Kyoushi (Miraibanashi, Book 1)

A wanted rebel tries to infiltrate the enemy hunting him in this gripping spy story set in a dystopian, post-apocalyptic Japan.
IN THE SHADOW of Mt. Fuji, the oppressive Batsu government controls the rebuilding of the devastated country, bestowing boons on privileged citizens while leaving most to fend for themselves on the fringes. After a disastrous job ends with Batsu enforcers hunting him, reformed thief Roshike runs-right into the heart of their regime, the fortified Gaku complex, to take on an almost impossible task. And he just might stand a slim chance of success, if only he'll accept some help. But first he has to decide who he can trust…
(Previously published as Whispers of the Dead.)