MTL - Kingdom’s Bloodline - Chapter 73 King of Iron Wrist (below)

That lonesome night as he lays dying in the hospital, fearing of death and desiring the taste of life, his mind became unprecedentedly complex with mixed emotions.

A replica of Marquis Kieran Vale, the son of the Marchioness of Vale, who she deemed a failure. That was all she was. No, she was now referred to as “he.” At least until she met Claude Del Ihar.

Good Looks: Check!
OP Skills: Check!
Face Slapping: Check!
PP Size: Check!

Lucien was more than ready to embark in his new adventure to save a dying world from destruction as part of the Heaven's Gate Project.

However, just as he was about to be sent to the world that he was about to save, an accident happened, which forced his Patron God, the God of Gamblers, to take another gamble in order to preserve his chosen candidate's life.

Lucien, who's new identity was named Lux, found himself in a world where darkness could be light, and light could be dark. A world where morality was but a thin line from depravity, and a happy ending could only be gained, by facing the world and slapping it with a Legion of the Undying.

— Doing good deeds brings blessings.— If actions meet societal standards, user ‘Jeong Da-on’ will have their restrictions reduced.Blessings for doing good deeds? Even if I was the Demon Lord in my previous life?It’s been 19 years since I ended my tumultuous life as the Demon Lord and reincarnated on modern Earth.I was caught by the system and forcibly turned into a Hunter. And now I have to do good deeds to regain my original abilities?“Hmm… Beating bad guys to death counts as a good deed, right?”That doesn’t sound too bad.Modern society is the perfect place for a demon to thrive, after all.