The supporting character's harem is very normal - Chapter 512: Amleth and Ikarys - Wait!!!

In the tenth year after the new era, the world finally came to an end. Zhang Mu truefully waited for his death, but unexpectedly found that he had returned to ten years ago. With his memory about the future, he swore that he would change the calamitous history, saving the earth from being destroyed! Walking dead, zergs, evolvers, and various mutated animals… nothing can stop him! The first step is to retrieve his identity as an era merchant , then find all the treasures he can remember to enhance himself!

- Description from Novelupdates

Read the Tags----A guy dies and is asked by the trouble maker ROB to choose one orb that will decide his fate, the guy in spite to the ROB takes two orbs, and after a series of cause effects he gets reincarnated into a solo leveling alternative reality three years before Sung Drip Woo gets his system.Oh yeah, Adam has a better version of the Nano Machines.What will he do? well, come to read!----This is a rewrite of the original story, i decided to do it after revising the chapters and reading the comments of the readers.This made me understand my mistakes and how i should have written this story.How i should have used the nano machines as well how Adam should have behaved with his decisions.So i decided to make a What If that is praticaly i trial to see if i understood the feedbacks and managed to raise the quality of the novel.The first 4 chapters are identical from the original and it's from the 5th chapter where Adam takes the money for reporting the portal that things change.But i suggest you all to reread the first 4 since you don't lose anything.This time i will take a different way.I owe you all this as an apology and a promise to write a good work.Thank you for your patience.

She was a combination of a high iq scholar and a black-bellied prince charming. She was a one-on-one, two-on-one, two-on-one, absolutely refreshing, and she was welcome to jump into the pit.

Transmigrating to a lawless person and then directly upgrading to a little brat’s stepmother. Xiao Ting said, “Crap, there’s no need to even give birth to a child. God, I love you so much …”

- Description from Novelupdates