Nin-Ran-Gi is a futuristic dystopian world ruled by a single nation under one authoritarian government, controlled entirely by powerful chaebols—corporate conglomerates that own everything from infrastructure to information. Society is plagued by rampant crime: narcotics, human trafficking, mass murder, kidnapping, and unspeakable atrocities.
At the heart of the chaos are vicious outlaw factions and criminal syndicates known collectively as the Sinners—masterminds of terror and destruction. Their brutal massacres have pushed civilisation to the brink, turning once-safe cities into warzones.
Though the Special Security Counter Bureau Force (SSCBF) was established to contain the threat, their efforts have fallen short. The streets remain perilous. Justice feels like a relic of the past.
Amid the decay, a lone figure emerges: Agent-90—a notorious and deadly assassin, emotionless yet precise. Neither hero nor villain, he operates outside in shadows where the law doesn’t work properly, targeting the Sinners and outlaws who endanger the fragile balance of society. In a world that has lost its moral compass, Agent-90 may be its final reckoning.