I lost my Copy System and awakened a Plundering System - Chapter 36: Ambush

The objective was the World Domination.

108 Demons and their Dungeons descended upon the land as they battled each other to become the Strongest Dungeon Master.

Isaac Constantine, a Demon Baron who managed to survive until the end of the game, only to meet betrayal that lead to his death.

Just as he thought it was over, he received a second chance

[Artefact Sand of Time has been activated.]

[Players can restart the game.]

[Synchronizing…]

[Displaying status]

[Isaac Constantine - Rank 99]

The battle between Dungeon Masters has restarted!

With a thirst for revenge, Isaac swore to create the best Dungeon and the Strongest army to win the game. Demons, Monsters, Superhumans even God himself will know his name.

Follow Isaac's story as he Rebirth to become the strongest Dungeon master

Offered as a bride to Hades at the age of eighteen.

Pestered by evil spirits in the day, and taken advantage of by a perverted demon at night.

Pervert: “Dear, a night with you is worth more than gold.”

I leaned away as I clenched my teeth angrily: “Worth my foot!”

- Description from Novelupdates

Kai was a 17-year-old dropout. A NEET. A background character in real life with nothing to his name but bitterness, novels, and guilt. After his parents died, he gave up on the world. People were fake. Dreams were pointless. And that one novel he kept reading? He hated it especially the main character, June. Perfect, noble, always standing tall. Everything Kai wasn’t.Then, one night, a voice asked: “What if you did meet June?”He said yes, half-asleep and half-mocking.Now he’s trapped in the novel. Isikeid. But he’s not June. He’s not a hero. He’s not even in the main cast.He’s an extra in the background of a world he knows too well and he’s had enough of watching things play out the same way. This time, he’s going to change everything. Whether the world likes it or not.

When she reborn, she finally understood; men can never be relied on.
That being the case, she can only rely on herself to win, that
splendid brilliance she yearned for, in this lifetime.

To my scheming Stepmother and ruthless sister, I will
destroy all your backings, pull off your wings, and step on your
arrogance! As for Grandmother whom speaks kindly but has a snake-like heart,
and a father who is hypocritical and exploits advantages; I will tear
off your pretense and cut off your hope! Let’s see how you can still
scheme against me!

Witness her splendid fight against her stepmother, punish scum men,
and create havoc in the imperial court, as she soars with the wind and
rises above the water!

But as for that man who still stands! How dare he play with my heart?

- Description from Novelupdates