Lilith: Origin of Succubi - Chapter 21

One day a young man found a mysterious door in his grand father house and that door transported him to Tensura....welcome to the new world...all the credit for the characters and main story goes to the owners, this is just a fanfic none of the characters or the storyline belongs to me...Tensura won't be live until later in the chapters, so if you in a rush, you can quick rocks...

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

Power and desire, money and strength, conscience and responsibility, the road ahead is at a loss, as a time traveler, Simon, where will he go, this is a leading mainstream novel with a relaxed daily life and a slow pace

- Description from novelbuddy

I transmigrated into the world of an urban novel.Bai Zhou couldn’t help but complain: “Why is it that other people either become the protagonist or the big villain, and I end up as a small lackey under a villain?”However, Bai Zhou soon realized that the feeling of “bullying others by relying on power” was actually quite enjoyable. Even if someone sought revenge, it would all fall on his “boss.”How comfortable is that?So, Bai Zhou decided to continue down the path of “bullying others by relying on power.”But soon, things started to spiral out of control:“Sister-in-law … does big bro know you’re doing this? I’m just a driver!”“No, big bro, you’re my big bro! Can you stand up and talk? Stop kneeling!”“Oh man, old master, you’re the local emperor of Shanghai! Why are you offering tribute to me?!”