A rusted city sprawls under a sky the color of a healing bruise, and a kid with a safety pin through his ear is about to change everything. Raito drifts through the Shibuya of a parallel tomorrow — not our Shibuya, but one where neon trash piles choke the alleyways and the cops ride armored mechs instead of bicycles. He is nobody. No faction, no augment, no purpose beyond the cassette player strapped to his belt and the bassline thudding through his headphones. Then he finds the gun.

It is not a gun. It is a signal — a weaponized soundwave emitter shaped like a revolver, carved with a frequency that unravels matter at the molecular level. The gangs call it the Punk Gun. The corporations want it back. The thing Raito fires into the sky just to feel the recoil sets off a citywide hunt that pulls him into the orbit of the Screaming Angels, a crew of audio-terrorists who believe noise is the only honest rebellion left. Raito just wanted to play his music loud enough to drown out the sirens. Now he is holding the loudest weapon in the district, and the question is not who is chasing him — it is what happens when he decides to pull the trigger again.

Also known as: パンクガン, Panku Gan, Punk Gun.