Ultimate Boss System

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A middle-aged man is reincarnated into the body of an unlucky member of evil organization that died from his bad luck. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. This new world possesses futuristic technology as well as people with superpowers.

After reincarnating, he realized that he was endowed with a miraculous game-like system, which enables him to recruit subordinates, obtain power and weapons from other worlds. Follow his journey to become the ultimate boss.

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5 d, 9 h ago
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  • Ultimate Boss System
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Releases found: 8

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Series Releases:

Latest release - ch. 4.0
View Series Vol Chap Extra Group/Host
Ultimate Boss System 4 Scribble Hub
Ultimate Boss System 4 Chapter 4: Kind Sponsor RoyalRoadL
Ultimate Boss System 3 Scribble Hub
Ultimate Boss System 3 Chapter 3: Small Kindness RoyalRoadL
Ultimate Boss System 2 Scribble Hub
Ultimate Boss System 2 Chapter 2: Jackpot !? RoyalRoadL
Ultimate Boss System 1 Scribble Hub
Ultimate Boss System 1 Chapter 1: Disabled and Jobless RoyalRoadL