Killer in America: Sign-In System Awakens
American Assassin
Ongoing
Total chapters in original: 822—(0 ratings)
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Action
Adventure
System
Assassin Protagonist
Modern Day
Overpowered Protagonist
Sign-In System
Survival
Transmigration
Underworld
Wake up in America as a wanted assassin with zero memory and a bounty on your head—not the fresh start our transmigrator expected. But fortune favors the desperate: a mysterious sign-in system activates, offering daily rewards that transform a hunted nobody into an unstoppable force. From dodging federal agents to building an underground empire, survival is just the beginning. In a world where every check-in brings new powers, how far can one man climb when the entire nation wants him dead?











