Greatest Returnee

Kaito, a ruthless mercenary, is revived by the Death God after a fatal mission and given a second chance. But instead of serving his new master, Kaito betrays him, stealing the Rebirth Core – the Death God's source of power. Now, with the power of eternal life and rebirth at his fingertips, Kaito sets out to reshape the world in his image. But the Death God's wrath is not to be underestimated...