MTL - Naruto Lineage Theory? Trash - Chapter 84

He was the merciless Soldier King on the battlefield who sent shivers down the enemies' spines; he was the soldier scoundrel in his squad who could make anyone both cry and laugh; he was the Big Brother everyone in the urban underworld aspired to be; he was the male god in the hearts of young girls and beautiful women; he returned with a mission...Uniting the underworld, establishing an economic empire, he vowed to become the supreme overlord of this world...To prevent the world from destruction, to protect world peace, to implement love and truth's evil, the lovely and charming antagonist, he is Xiang Yu, and he speaks for himself...

After her life ended, Nan Fei Yu was bonded to a Villain System. In order to complete the system’s tasks as soon as possible and reshape her body, she became a villain that everyone hated. Everyone wanted her to die! However, if the villain was delicate and soft, did it bring an alluring hallo?

- Description from Novelupdates

Large-breasted, horny alien Empresses rule the galaxy. Julian doesn’t mind.He’ll go through every last one of them, fucking, conquering, if that’s what it takes to burn it all down.The Imperium of Archos invaded his planet.They razed it to ash.They killed the only girl he ever loved and then......left him to die.But then he found the Exion System, an ancient alien device built to make conquerors, not heroes.It bonded to his body and made him:THE GALACTIC KNIGHT.He’s not here to play hero. He’s here to burn the Imperium down.[Apocalypse System Activated]Host recognized: Galactic Knight.Command Authority: Unlocked.[Initiating Galactic Path.]Julian rises.He becomes a planetary governor.Then a warlord.But he’s not stopping there.He commands mech armies, crushes resistance, and spreads his reach across galaxies.Alien warlords, monolithic ugly monsters and cosmic gods will stand in his way, but they won’t stop him, he'll tear them to pieces!Planets of rivals will fall. Empresses will moan.And somewhere at the end of this blood-soaked path, the monsters who ruined his life will scream louder than anyone.They wanted war.He’ll give them hell.And he’ll make sure they watch him become the apocalypse they awakened.[CAUTION!][STRONG SEXUAL CONTENT.][BRUTAL, INTENSE AND BLOODY BATTLES]

It has been adapted into comic：CEO’s Sudden Proposal / Flash Marriage Deep Love

She didn't understand why he took her to get married at first sight. She was just friendly to his daughter at the hospital, but she did not expect that his daughter haunted her to be her mother. It's only the first day of their meeting!

She thought he married her only because of his daughter, but in fact, he was deeply attracted by her kindness and simplicity, and he loved her deeply.

For the rest of her life, Will she love him like he love her?