The Villain's Cheat Code: When a Gamer Becomes the Evil God's Sidekick - Chapter 21 - : Duke, Your Daughter Is Incredible

[Volume 1: Dante Blackthorn]When Anastasia and her sister Marianne are captured and shipped across the seas by pirates, they become commodities to be sold in a distant land. Marianne is taken as a courtesan, while Anastasia barely escapes a terrible fate by pretending to be mute. She is forced into the lowest ring of servants at the royal palace, where she endures a life of servitude and creates beautiful artwork to mask her pain.Despite years passing, Anastasia has never forgotten her sister's promise to return to their family together. However, with her movement restricted and the guards vigilant, escape seems impossible.When Anastasia comes into contact with the Forsaken Prince, her life spirals out of control and she triggers a Crux of incredible proportions. Now battling her own inner demons while navigating the treacherous politics of the royal court, Anastasia must confront the truth about her sister's fate and make a choice that could alter the course of an entire kingdom.[Volume 2: Emily Blackthorn]Princess Emily's life takes a turbulent turn when she is rejected, leaving her heartbroken and her soul at the brink of corruption. In a desperate bid to save herself, she journeys to the West.Enter the Storm Prince, a charismatic archdemon with striking blue eyes, with a saint-like smile. Emily had hoped she'd seen the last of him, but fate has other plans. As if her soul dying isn’t enough, someone wants to steal it!Caught between the suitors and the haunting nightmares that have plagued her since childhood, Emily begins to see Raylen in a new light. The blue-eyed demon may not be the monster she once thought.

The protagonist, having degenerated into a “loser” after being unable to find employment, gets caught up in someone else’s attempt to commit suicide-by-train and ends up traveling to another world. The numerous cheat powers he demands from God are all granted to him. But contrary to expectations, these powers bring about disastrous consequences for the protagonist.

Having reincarnated into another world, the optimistic protagonist (Yuuri) starts his(her) heart-warming training days with his(her) teacher.

“There are no heroes. In life, the monsters win.”

...

In 2106, [Mayhem Online], a fully immersive VRMMO game, was released. Soon, it dominated the world's economy when people could exchange the in-game currency with real-life currency and vice versa.

In the year 2107, Flynn Grey, a 22-year-old college dropout with an ambiguous history, joined in the fray of billions of people that had already started playing [Mayhem]. Hoping to uncover the game's secret and earn a fortune, he spent months on adventures without fruitful results.

For better or worse, Shura, Flynn's in-game character, ends up in a great Wyvern's den, acquiring a hidden class and a monstrous race. Join him as he defeats his past and paves his way into becoming a true legend in both worlds.

The tale of Oliver.
An orphan boy from a Mine, in 19th century Europe, filled with Magic.