The supporting character's harem is very normal - Chapter 474 Peace before the Storm

The world was at the brink of collapse. Humanity’s desperate battle against the Harbingers, monstrous alien invaders from another world, had raged for years, leaving cities in ruin and hope at an all-time low.Amid the chaos, Noah Eclipse, an eighteen year old with no past and no purpose, struggled to survive each day.Noah being a first-generation talent, with a common, unremarkable ability that never stood a chance against the Harbingers' overwhelming might, had spent years labeled a loser, while fighting to keep his head above water in a world that seemed to have forgotten him.But as fate would have it, everything changed one day when he was fighting for his life and at the verge of dying.[Congratulations, you have awakened an SSS RANKED Talent : Void Summoning][Congratulations you have unlocked one item : Eclipse blade!!][Congratulations : You have unlocked a new skill; Void Blink]He was reborn, and for the first time, he was no longer weak nor helpless.With all the creatures and the power of the void in his palms, he would bring an end to the apocalypse!

Upon waking up, Ruan Xia had transmigrated into a webnovel that she had stayed up all night to finish reading. She had become the villain’s mother.

In the novel, after the death of her first husband, the original owner of the body had hooked up with a Mr. Perfect at the fastest possible speed. Worried and discontent that her son from her first marriage would become a burden on her, she heartlessly abandoned her son.

Having once held the best quality script and informed of future events, Ruan Xia looked at her still alive first husband as well as her future villain son. She sighed. She wanted to apply for a different script!

- Description from Novelupdates

Jiang Li accidentally transmigrated to a fantasy world along with a game called Super Godly Machine Army.

[Ruler Panel]

[Ruler: Jiang Li]

[Game: Super Godly Machine Army]

[Interface: Military Units]

[Infantry Machine Unit], [Navy Machine Unit], [Air Force Machine Unit], [Space Machine Unit], [Special Forces Machine Unit]

[Energy Points: 0]

[Soul Sparks: 0]

Soon, Jiang Li created Combat Machine Soldiers, Electric Machine Soldiers, Liquid Metal Machine Soldiers, Machine Dragon Riders, Nether Energy Machine Soldiers, Machine Engineers and many more.

This was the story of a man in a fantasy world who became invincible by creating a machine army that dominated the world.

Jiang Yu was a small mermaid who couldn’t sing. He had always felt inferior because of this. Not until he came to shore to find the father of his baby did he discovered that his talent turned out to be acting. Since then, he had trampled on the scum man, going on the acting road all the way, and progressing triumphantly.

Qin Shen: ??? You ran away after sleeping with me, and you still call me a scum man?

The not yet met Jiang Yu: Oh, it’s a small star who wants to hug my thighs.

The after contact Jiang Yu: Really fragrant.

Qin Shen found that things around him often disappeared, at first it was handkerchiefs, then ties, and then his shirt. And every time he lost something, there will be more pearls around him. One day, he caught all the things he had lost in that room, and he saw a little thief in his pajamas.

The little thief Jiang Yu is not happy, pointing at the jar of pearls, I am not a thief, I have money for you.

- Description from Novelupdates