The Vampire Cat System - Chapter 335 Entering The Passcode

Synopsis is in the beginning first chapter, so you can try to read it first.Zhang Fei is an ordinary human, but he is also an Incubus, and he also a Heavenly Fox.

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

Su Chengyu took the blame for his wife and went to prison for three years. Upon release, he realized that she had betrayed him.Despite this, he benefited from misfortune and comprehended the Dao, stepping into the world of immortal cultivators. He could easily master immortal techniques and ancient martial arts. He could also refine pills, draw talismans, treat illnesses, and save people at will!Su Chengyu postured crazily in the Red Dust City, vowing to find out the truth behind the death of his 127 Su family members 26 years ago.

I opened my eyes to find myself in another world. For some odd reason, I ended up as a sword. Before my eyes laid a plain full of magic beasts, and so, I launched my body and flew in search of a partner, a wielder (females only).