An Unexpected Turn: Villain Becomes Dad - Chapter 190

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

I dedicated 10 years of my life, focusing solely on regression.[Authority: Death Regression has naturally been nullified.

Wang Sheng is a fortunate soul who was granted a second chance by the heavens.After he died in his previous life, Wang Sheng finds himself waking up in his younger-self’s body while retaining all the memories of his past life. He remembers that he died in a gang fight due to his lack of cultivation level. He had wasted a lot of time in his past life on internet cafés and idling.In this life, Wang Sheng decides to change his fate once and for all by cultivating properly instead of relying on random cultivation methods from the internet. As he seeks guidance from masters of different sects, he is introduced to the world of cultivation, as well as the dangers and evils that lie within. Now that he is involved in the world of cultivation, will Wang Sheng be able to navigate through the dangers of the cultivation world while redeeming himself with the help of his past-life memories?

Ajax was an orphan who survives a massacre along with his friends but unfortunately gets separated from them.

Fortunately, after a turn of events, he successfully gains a system which helps him increase his cultivation, but doesn't know what it is called.

But he knows one thing for sure, this system is very powerful and helpful in taking his revenge.

“Whoever you are, I am gonna find you”, Ajax mumbled himself with a disgruntled expression.

In a world where Summoning of an elemental spirit is done through a dream when they are 15 years old, Ajax with the help of a system and his summoned spirits sets out on a journey to seek revenge against the mastermind behind the massacre.