In the neon-lit megacity of Neo-Tokai, rogue swordsman Renjiro Kaze fights to preserve tradition in a world dominated by technology. When the Oni Syndicate threatens humanity with illegal biotech, Renjiro must face deadly cybernetic enforcers and unravel a conspiracy that could reshape the future.

With his mysterious katana and sharp-tongued AI companion, Rina, Renjiro navigates a dangerous clash of ancient honor and cyberpunk chaos. In a city where humanity and technology collide, the soul of Neo-Tokai hangs in the balance.