Ultraman: Belial from the Start

Lu Chuan accidentally arrives in the world of Ultraman Geed and obtains a god-tier sign-in System. From the start, he signs in and gets Arch Belial. Sign in to obtain Dark Zero. Sign in to obtain skill-copying. Sign in to obtain the Ultimate Battle Nizer... Sign in to gain the power of the Mysterious Four Ultras. Unlimited sign-ins, unlimited power. Before he knows it, Lu Chuan has become the strongest ruler in the universe. Emperor Belial: “Lu Chuan is a mysterious human you can't afford to make an enemy of.” The Golden King: “The only one I fear is that human.”