Katana

In the city of Ior, one of the most prosperous cities on all of the Americas during the year 2479, murder has become an unstoppable flood. The city's grown exponentially in population, up to over twelve million, and with that growth, came the highest crime rate of all time.

You'd think, with it being the wealthiest city in the world, they could just get better security? No. It's not just random crime. There are six divisions that the IDOC (Ior Division of Crime) simply call the A-Six, which stands for Assassin Six. These groups are each separate groups of elite assassins that use high tech weaponry and tools to pull off murders and crimes with virtually no trace.

In this world of assassins, one title came to be known far and wide, even beyond Ior: the Katana Killer. He uses no guns, all he uses to kill is his katana. He has never been seen, and his crimes leave nothing for him to be tracked. He is an ultimate killer... but no one would expect it to be some sixteen year old kid.. right?