Villain: Ultimate Mutation System in the Alternate World - Chapter 616: Advancement?

The readers of this harsh world had no interest in the villain’s story. But why didn’t they know? It was also the era of random possession meta.

What if the president always coerces her to do “hard work” on the grounds of deducting her salary?
To do or not to do?
After finishing the work, Lin Sheng silently took out his mobile phone, opened the circle of friends, and pressed down word by word:
The president asked me to work at her house again!
President, she has a little white face!
The woman behind the successful woman is me! it’s me!

Domineering domineering president X small staff
The daily life of the president and the staff is so sweet and sweet~

- Description from novelbuddy

In a world teeming with Titans, Colossals, Gigantic Monsters and Kaiju's, Erian who reincarnated makes his living collecting scraps of low-grade Defective Genetic Serum, realised he transmigrated along with his system.

Follow Erian as he grows to become the strongest Disaster Grade Titan with the help of his Titan System!

On the day Zhou Bai officially became a landlady, a mysterious game descended!She exchanged several buildings in the city for a mysterious reward.After the game officially started, her reward arrived!Result... Transported to another world, surrounded by monsters, starting with a shabby little house.Territory??? Is that all???To survive, Zhou Bai could only diligently work on construction.Before long, she turned her territory into one of the top cities and continued to be the 'landlady' of another world.Elves, dwarfs, orcs, goblins... all became her 'tenants'.