Arifureta Shokugyou de Sekai Saikyou (WN) - Volume 1 Chapter 9

After annihilating Han, Zhao and Wei empires in succession, the dynasty of Qin is ushering in an unprecedented flourishing age with powerful cultivators emerging endlessly. People take pride in being part of the Qin dynasty. However, Ding Ning, a young lad of humble origin in Changling, Qin, is determined to subvert this dynasty and kill the emperor who breaks in the Eighth Realm.

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

R18, Dual CultivationYang Wei is an undefeatable mage.However, his power got too great, and as a result he was challenged by every mage from across the lands.In the end, the Heads of the most powerful magic clans all banded together to seal him in a void where he would perish.Of course, death is too small a thing to stop him.By reincarnating himself in a new world entirely, Yang Wei ends up in the Mashyan World.A Cultivation World popular for being a Women's World.He goes on to join the Dragon Blossom Sect, a sect popular for having not only powerful beauties but the kind that have a thing for strong, beautiful men.How will he fare...Warning: No Rape, NTR, Yuri or Incest....

If Xiao Yan had never lost his Dou Qi initially.If Yao Lao had died within the Soul Ring due to severe injuries.If Xiao Yan happened to join the Hall of Souls by chance.If a butterfly flapped its wings and altered the course of fate, how would the gears turn?“.... Who are you?”“Hall of Souls, Xiao Yan!”--------------------Worlds: Battle Through the Heavens, The Great Ruler.Tags: Action, Adventure, Romance, Harem, Weak to Strong, Clever Protagonist.Minor Tags: Comedic Undertone, Pets, Reincarnation, Kingdom Building.No System / No Prior Knowledge of the World.