The supporting character's harem is very normal - Chapter 459 You can do it

Avo was born to destroy New Vultun. In a twist of fate, he’ll become its only hope for salvation. The gods were the enemy. The slaver. The chains. With dreams of paradise, humanity slaughtered them and stole their powers, opening the path to become more – to ascend. Instead, they nearly destroyed the world. Vast hive cities serve as the final bastions against the crumbling of reality. New Vultun is the greatest of them all, and within its borders, ascenders wage war to determine the laws of existence itself. The world descends ever deeper into ruination. Avo was born a weapon, a slave to his instincts and his masters. He and his brothers were made to burn New Vultun to ashes. Everything changes when Avo gains immortality and becomes heir to an impossible legacy. He must ascend the megacity of New Vultun. He must challenge the very tyrants that usurped the gods. He must finally free the world from chains.

Xie Changgeng, the governor of Hexi, married Mu Fulan, the princess of Changsha.

Xie Changgeng, who had not even seen what his bride looked like on their wedding night, finally returned home after more than half a year only to find that she had returned to her parents’ home.

Although very dissatisfied, he could only chase after her.

- Description from Novelupdates

When Xu Ying woke up in the post-apocalyptic world, she found herself back at eighteen years old in her previous life!Luckily, her portable space was filled with spoils from raiding supermarkets, including clothing, food, shelter, and various weapons and medicines.This made Xu Ying ecstatic.In an era of scarce resources and poverty, she had enough to ensure her family lived a good life.While other families favored sons over daughters, Xu's family had always cherished Xu Ying as their precious jewel. Having squandered a good hand in her previous life, she was determined to do better this time by kicking scumbags to the curb and tearing down the 'green tea' women, all while protecting her family and incidentally snagging the toughest man in the village!Huo Chen had a solitary nature and fearsome appearance, causing children to cry at the sight of him, but Xu Ying, who had honed her skills during the apocalypse, was not afraid of the notoriously fierce man at all.Xu Ying: What do you want to do? We're just partners.Huo Chen: You think you can seduce me and then run? No way.

In a world where money and power trumps all, Ahn Soo Ho, A.K.A. Magician, uses his superhuman abilities and his knowledge of the intelligence world to climb to the very top of the totem pole.