Spiral, Vol. 8

Despite thorough planning and preparation, the offensive against Kanon
is not going well. Bruised and broken, Rio, Ryouko, and Kousuke are no
closer to reaching Kanon than when they started. But Ayumu's trusty
information-gathering sidekick is ready and willing to help out. Now
they know where Kanon is holding the hapless Ayumu hostage, but they're
still in no shape attack. Thankfully, Rio managed to nick Kanon with an
anesthetic bullet in their last assault, so he too is taking time to
recover. Now everyone's attention is on the mysterious representative
of the "Watchers" who has arrived to hear Kanon's demands...