A novel about an unfortunate boy who decides to become a professional assassin. For this purpose, he went to the FBI because, as the saying goes, it's darkest under the lantern. It tells the story of the double life of an assassin and a federal agent.
(No harem, no system, realistic(to some extent),
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Even though it's just the beginning, I like the storyline. I'm looking forward to what later tasks he will do and how he will handle them. I look forward to reading more, hurry up author.