The Revenge of Prison Hero: The Despised Hero Lives Freely 500 Years Later

In a world 500 years later, I shall live for my own sake this time. The undying hero, Kogane finally breaks free for captivity after several hundred years. Together with the girl who was the reincarnation of an evil dragon he subjugated in the past, he seeks to retrieve the years he lost, occasionally meeting past allies and occasionally being hunted down. The crime fantasy of the resurrected hero begins here—! Source: KADOKAWA