Dread Sovereign: Monster Girl Harem - Chapter 3 : Adventurer! [Class - G]

The starry sky mecha is as powerful as a dragon, and the gods and demons in the abyss are whispering and roaring.

In this era of collision between new techniques and old techniques, technology and divine power, Lu Yuan stumbled into the world with an attribute panel that allowed unlimited job changes.

“Occupation [Martial Arts Grandmaster] + material [Heart of the Nine-Headed Dragon of the Abyss], can be advanced and transferred to [Darkfall Dragon Sect]….”

Lu Yuan looked at his hands that were gradually covered with black scales, and the black hair behind his back was dancing wildly in the wind. His scarlet eyes stared at the humanoid mechanical body flying across the night sky like meteors, and whispered to himself with a smile: ” Now…I should be able to tear apart mechas with my hands…”

- Description from novelbuddy

The world changed the day that cracks appeared in the sky– suddenly monsters named『Demonic Beasts』appeared and began to rampage, attacking people.

Meanwhile, girls called『Magical Girls』began to appear to counter the demonic beasts. As they defeated the demonic beasts, gradually people’s lives gained a semblance of composure.

–but when there is light, there is also darkness.

In the corner of an alleyway, a boy who had been attacked by a demonic beast was dying. His voice begging for help did not reach anyone and his body refused to move.

「Boy. Do you want to be saved?」

Looking into the boy’s face, a black cat began to speak to him.

The boy nodded firmly to the devilishly sweet invitation, in response the black cat mocked him.

「Is that so—then I’ll【Haunt (Save)】you」

—on that day, a『Magical Girl』was born in a place that no-one knew.

『She』never laments, no matter what the future may bring.

An ordinary person who has passed through the Marvel World to gain the phagocyte ability and began to devour superpowers, and became the king of Marvel!

There are many female lords. The protagonist has gradually become the king of the Marvel world from ordinary people. The initial ability is the physique that changes through traversing. It can devour and stabilises without any side effects. The system is only an aid, you can also cross the plane!

- Description from Novelupdates

After being betrayed and killed by his own brother, 17-year-old orphan Elias Black is given a second chance—by a mysterious, demonic entity. Reborn with the “Devil’s System,” he must now collect souls, gain abilities, and exact revenge on those who ruined him.But each power comes with a cost—and the devil never makes a deal without expecting something in return.As Elias grows stronger, unlocking deadly skills and forming uneasy alliances, he faces an even darker truth: his rebirth is part of a much bigger, bloodier plan.