MTL - Peerless Genius System - Chapter 1 Sudden system

The aliens came with hostility.
Facing the invasion of aliens, human beings are weak like ants.
So this is the end, the real end.
But there is resistance when there is an invasion.
For some, this is not the end, it is war.
So this is war.
Real war!

- Description from Qidian

Knowing she married a wrong guy, what would she do to deal with the subsequent marriage lives?

In order to pay for her brother’s medical expenses, she had to replace her own sister to marry the rich family's elder son . She always thought she was married to the elder one, but she did not know her husband was nominally the younger son He Yi Ning.

He Yi Ning, the real heir of the rich family, the ruthless business emperor, the ruthless workplace tyrant, and her sister’s dreaming husband. When she found out that the person who married her was He Yi Ning, she stunned and asked, “Shouldn’t i be your sister-in-law?” He smiled charmingly: “Are you unhappy with your husband?”

At age 23, Liam Sanders had tasted everything life had to throw at him. As an orphan at birth and a victim of the system, he lived his life believing that he was just an ordinary person. His life was filled with misery, but there was one ray of hope in his life- his girlfriend.That lasted until he found her cheating on him in the middle of his apartment with his best friend. Feeling betrayed, Liam sought to end it all by taking his life, and just as planned, he got hit by the truck in the middle of the busy street.It should have been Liam’s end, but for some reason, he survived and woke up three days after in a hospital with no injuries and a whole new set of memories in his mind.And that is how he became the Immortal Warlock in the Modern World.He was oppressed once, and now, it is time for Liam to oppress everyone in the world.

New Synopsis by a reader:Embark on a gripping journey through a mysterious fantasy world where one man's resilience is tested to its limits. He is cast into this unforgiving world with nothing to his name. Our protagonist is swiftly swept into the ranks of the Legion, where survival is a daily struggle. Amidst the chaos of battle and the constant threat of danger, he must hone his skills and unlock his latent potential, navigating a landscape fraught with peril and uncertainty.With each trial and tribulation, he discovers new depths to his abilities, grappling with a burgeoning magic system and the harsh realities of his surroundings. This gripping slice-of-life narrative blends elements of LitRPG with a captivating tale of growth and survival as our hero fights to find his place in a world where nothing comes easy and every victory is hard-earned. Will he rise to the challenge and survive amidst the chaos, or will he succumb to the perils that lurk at every turn?