The Duchess and the Devil - Chapter 9: WARNING: Moderate NSFW

What does it mean to be invincible?

Many Sword Gods exhaust their entire lives attempting to cultivate a single supreme sword intent, yet Yang Xiaotian has cultivated fifteen!

For millions of years, no one has been able to cultivate the Primordial Heaven Destiny, but Yang Xiaotian has cultivated fifteen of it!

Throughout countless eons, no one has been able to cultivate the Primordial Universe Holy Fruit, yet Yang Xiaotian has cultivated fifteen!

Across the vast expanse of time, only the rulers of heaven and earth could cultivate the Eternal Divine Body, yet Yang Xiaotian has cultivated not only the Eternal Divine Body but also the Primordial Heaven Destiny Divine Body, the Primordial Universe Divine Body...

Apollo Kaiser, a boy who bore the unlucky fate of being unable to grow strong, was condemned by his family.

Discarded by his mother and abused by others, Apollo gives in to his rage.

However, this action results in his death. Many would believe it to be the end, but Apollo's death was a required catalyst.

The Demon Monarch System finds its heir and attaches to his soul, bringing him to a new world where he starts his journey to supremacy.

This difficult journey rife with conflict, conquest, and brutality shall serve as Apollo's temperance.

Watch as the heir of the Demon Monarch rises above all, conquers Sin, subjugates unthinkable enemies, and even brings about the destruction of worlds!

The rise of the next Demon Monarch begins...

Noah Black, a young man with an abusive father who had no opportunities in life, condemned to live a substandard life because of his father's mistakes.

Noah Black from the parallel universe, a marginalized, obese young man with social problems and a somewhat problematic but loving family, but who couldn't live long because of the mistakes he made.

When Noah 1's mind enters Noah 2's body with a Gamer System, the path to becoming the biggest superstar in this new world begins.

Is that body fat? I work out with the system and in a few days I have the perfect body!

Is my family poor? With my knowledge of my other world, I can make easy money!

Is this face ugly? With System I can look beautiful without plastic surgery!

Do I sing badly? In a few days, the System will transform my voice into the voice of an angel.

Do I act badly? In a few days, the System will make me an Oscar-worthy actor.

I can learn anything I want!

“Rising to the top was like a game, and now I have become the Final Boss of the entire world!” -Noah Black.

She is a top-class spy, a poison specialist, but also a young and cute girl with a sinister temperament. In spite of her sweet and innocent appearance, she can complete any tasks without the slightest hesitation. One day because of an incomplete black magic, she was sent into the body of a girl who was deemed as a good-for-nothing. What kind of change will she bring to this continent?