The supporting character's harem is very normal - Chapter 122 You are just my pawns.

He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

- Description from Novelupdates

Power? Wealth? Glory? Who freaking cares!

Jack just wants to live in peace, but he’s the greatest trouble magnet EVER!

[Ding! Congratulations! You've Awakened!]

[Unlocked SSS+ Curse of Obliteration!]

[Good Luck Surviving!]

Just as all hope seems lost, he gets reincarnated in the Game-like Magical world of Eternia! Is this finally a chance at an uneventful life?

Jack will do whatever it takes to accomplish his goal, including World Domination. Can’t have anyone disturbing you if they’re all under your rule!

But this might prove troublesome… For instance, how are there so many Demonic Gods trying to make him their Slave?! Can’t they just leave him alone?!

Every Goddamn Day….

[Class Unlocked: Ruin Knight!]

[Class Unlocked: Blood Mage!]

[Class Unlocked: Grim Reaper!]

[Class Unlocked: Vampire Progenitor!]

[Class Unlocked: Apocalypse Overlord!]

[Class Unlocked: Ethereal Incubus Prince!]

“Sigh…..”

Lu Yao strayed into a small pixel game where he played the role of a god, but found that this game was connected to a world of different dimensions.

The [sacrifice] in the game will enter reality, and the [gift] he gave can also reach the game world.

As a trainee god, he can’t do much except create various natural disasters.

Until he gritted his teeth and revived a supermodel apostle, the gameplay changed a bit…

- Description from novelbuddy

Alicia Rosalyn Von Heist is the youngest daughter of King Edward of Alvannia. She is an illegitimate child born from a maid in the castle her father has fancied. After her mother died when she was young her father took her home and ‘adopted’ her.