They had crossed scorching deserts, climbed freezing snow mountains, and forded raging rivers. They had driven away ferocious beasts and fought countless battles to the death against the unknown bodies and magic of anomalous monsters they had never encountered before.
The hero who had vanquished the Demon King was invincible. He had hoped to retire and live happily with his adopted daughter, but instead, he was framed by treacherous ministers, imprisoned, and left with his family destroyed.
As he lay dying, he made a pact with a mysterious voice. He would become the next Demon King. In this life, he would no longer bow and scrape. He would repay every humiliation from his past life and spread the flames of revenge to every corner of the world!
"As I see it, the essence of every connection between people is exploitation. The only difference is whether someone is willing to be exploited or unwilling, yet forced to be exploited anyway. That's how simple the essence of everything in the world is, just like black and white, hot and cold. There are only two clear-cut options."