The supporting character's harem is very normal - Chapter 230 The Count Title

Doomsday comes, and human beings enter the heavenly world.
Ten years later, Yang Chen, who was betrayed tragically, returned strongly with the Tianyu bug. In this life, he vowed to make the betrayal pay the price. He has a powerful bug bonus, just like an open hang. Frightened to hear…

- Description from novelbuddy

Dewitt, known as the Iron Marshal, is now on the verge of death. Just when the whole empire thought he was not going to survive, a small fox came down from the sky. The little fox was so powerful that it woke up the Marshal who had been in a coma for a month with one paw. If Wen Jin knew that the price of his paw was to become the Marshal’s fiance, he would refuse, because the legendary, ferocious Marshal was a well-controlled villain, only touching his fluffy body every day.

Wen Jin: You’ve had enough, I’m going bald!

Dewitt: Ten more minutes.

Wen Jin: Not a minute longer!

Dewitt: Then let me kiss you.

Stupid and lazy fox x black-faced Marshal meet in a world full of Zergs and war. Follow this intergalactic tale as they begin to trust and depend on one another.

- Description from Novelupdates

A young man woke up to a world of magic and endless possibilities.He was transmigrated.Great!Only that he now had three huge problems.One, he had no memories of his past.Two, he was a villain destined to die no matter the outcome.And three, the heroines were all kinda... should he say, obsessed?Yeah, he was fucked.[Note]No Yuri.Conflicting emotions of MC due to loss of memory for the first part.Huge plot twist, so don't fall for whatever you see.NTR? Not.But probably netori.Beta MC? Big No.Harem? Yes! Don't ask me how but I'll make it possible.

[Infinite Anime Stream] Fifty years ago, the game “Infinite World” came to the planet Terra, and all humans became players. Through the experience of the copy world, it is expected to become a powerhouse that surpasses mortals.

Terra has also changed as a result, “Infinite World” has become the most direct, fair and cruel way to ascend the class, and elite players have also become the existence standing at the top of this world.

Lu Feng came from the earth.

“This Infinite World game is actually the reincarnation space in the infinite stream novel, and this place actually treats the reincarnation space as a daily routine!”

“Ha, it turns out that the copy worlds are all two-dimensional animations and novels on Earth.”

As the only player with his own dungeon world story library, Lu Feng said that this time-travel benefit is absolutely full.

- Description from novelbuddy