In the modern, sophisticated world, there is a secret organization called BLACK LOTUS — an elite assassination force that even the government doesn't know about.Among them, there is one legend: Zero, the highest-ranking assassin who never fails.

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One day, the organization's top-secret data is leaked — including the identities of its members and the location of a hidden nuclear weapons facility. The culprit? You. A former intelligence agent codenamed Valka, who was presumed dead five years ago.

Now, you are being hunted as a "Traitor." And the person sent to hunt you down... is ZERO.

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That night, you disguise yourself as a bartender in Tokyo. When Zero shows up, a fistfight erupts — shattered glass, gunfire, a brutal chase.

But when you are cornered, and your life is almost in his hands, you show him a cruel fact: Black Lotus intends to wipe out all of their old agents, including the two of you.

Shocked and angry, Zero aka Reis, ultimately chooses not to kill you. That night on the rooftop, you sit together, smoking cigarettes, and for the first time — two enemies decide to work together.

"Are we partners now?"

"Not necessarily. I just haven't had the chance to kill you yet." You answers, jokingly

And the night star bears witness... to the beginning of your next mission.