The supporting character's harem is very normal - Chapter 513: Amleth and Catheryne

"To be a star is to own the world and all the people in it."
...
Two years ago, Aiden came to the United States to experience the American Dream. But after sleepless nights of struggle, just when he was on the verge of giving up, a translucent screen flashed in front of him - it was a System!

A System that would make him embark on a journey to Hollywood. And today, he takes his first step by mesmerising the world through his singing!

So come and join him, for his journey, has just begun.

Singing? I'm the best at it.
Acting? I have Oscars lying around in my bathroom; you can practice your acceptance with it.
Movie Direction? They call me the king of the box office.
Novel Writing? Two words: Best Seller.

From creating the highest-selling music album to becoming the world's most famous superhero - Aiden will do everything to write his own legend.

--- All the songs and movie scripts in this book will be Original, and I'll be the one writing them. ---
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Travel to the primitive world, open up wasteland and farm land, tame animals and fish, build houses…

Jiang Xuan wants to create a tribe of his own!

- Description from novelbuddy

Xie Xi was someone with luck off the charts! The advantage was that any game could be easily cleared. The disadvantage was that all games were boring! Then one day, the words ‘Game loading’ appeared in front of his eyes and he began to clear real games!

The emperor of luck ran into a bottleneck in the first game.

Game Name: Love to the Left or Right

The vampire prince has invited you to a meal. Will you go?

Xie Xi: I won’t go.

Arrow through the heart. The vampire prince says you can’t leave him and takes your life.

After loading the file, Xie Xi changed the option: I will go.

The housekeeper has cut off your head because of love and hatred.

Xie Xi: ???

- Description from novelupdates

Reborn as a Gotham minion and strayed into an evil organization, his heart is bright but he has fallen into darkness step by step. The whole world and even countless worlds are convincing the good guy Mason that it is obviously more promising to become a super villain in this era of disaster.

But Mason didn’t think it was easy to convince himself, so let’s do something simple.

How about we try to bring this dark and chaotic era back on track?

besides!

Batman and the heroes of the Justice League, when are you fucking going to do it? If I don’t close the net, I will go undercover and become the evil boss!

PS:

The real title of this book should be “Crossing the Beautiful Man: I Want to Be a Good Man”, “Gotham Legend: If I Were Robin, Would You Love Me?” “, “One Hundred and Eight Confessions of the Unlimited Traveling through the Worlds for White Whoring Monsters” and “The Tragic Past: From Craftsman Spirit to the No Return of Counterfeit Dealers”

- Description from novelbuddy