In futuristic Tokyo, year 2048, Japan serves as the hub of the Eurasian Railroad, attracting a wave of crime and corruption to its sprawling metropolis. Unbeknownst to its residents, a breed of inhuman creatures coexist with them: advanced AI-driven robots willing to commit murder to ensure their existence. Amidst this chaos stands a singular figure – the original prototype known as ORIGIN, the sole entity capable of thwarting these deadly machines.