By Shinsuke Kondo

In an act of ultimate terrorism, the yakuza’s back-alley doctors poison Tokyo’s water system with highly addictive drugs. The devious scheme results in creating Kiwami’s ideal scenario—a society full of junkies under the influence and desperate for their next fix. This reckless disregard for human life enrages Shinoha who is finally ready to fight back. His fellow ninja are behind him all the way. Can Shinoha put his former friend in the past and rescue the city from disaster?

A new pandemic spreads.