I Reincarnated as an Extra in a Reverse Harem World - Chapter 31: Unexpected Gains

The journey to the martial peak is a lonely, solitary and long one. In the face of adversity, you must survive and remain unyielding. Only then can you break through and continue on your journey to become the strongest. High Heaven Pavilion tests its disciples in the harshest ways to prepare them for this journey. One day the lowly sweeper Kai Yang managed to obtain a black book, setting him on the road to the peak of the martials world.

- Description from novelupdates

This novel is also known as The World Is A Wasteland: I Obtained A Top Tier Shelter

The meteorite destroyed the world, and the global people traveled to the wasteland world!

The monstrous flood, the ice age, the advent of alien beasts, the plant plague…

Under the random disaster once every seven days, if you want to survive, you must build a higher-level shelter!

Lin Yue awakened the 100% treasure chest system, and since then he has opened up a completely different style of painting from others.

Others: “The explosion rate of the treasure chest is too low? I still haven’t killed fifty mutant creatures!”

Lin Yue: “There are too many boxes and there is no room in the inventory. Do I have to upgrade the shelter to build a warehouse? Oh, it’s so annoying.”

- Description from novelbuddy

In the rebirth, in order to prevent the tragedy of the previous life from happening, Bai Yu decided to rush to the [Tower of God] at any cost, and face everything together with his sister!

However, Bai Yu, who was bound by the system, mutated his bloodline, and transformed into a black-scaled python seems to be developing on a completely different path from his previous life…

- Description from novelbuddy

At the height of her power, the Supreme Goddess Amane also known as the Beast princess sacrificed herself to save the life of children she had adopted throughout her life. That should have been the end of her story. Amane had achieved her ultimate goal of saving the lives of her loved ones and her sacrifice would give them all decent lives. But the Supreme Goddess felt her eyes opening in a new body and a new era. She had been reincarnated into the body of a Yoko Tsurugi, the mentally-challenged adopted daughter of the Tsuragi family (The family infamous for their beast-taming business) Reincarnated in a new body with no knowledge of why she had been brought back, Amane decided to embrace her new identity and live a carefree and easy-going life doing what she was known for before. She would do what the previous owner of her body was unable to do - Show everyone why you did not mess with her, the supreme tamer of beasts. The new era was different with no ‘alliance’ or distinction between races. The world was a calm place that seemed to have a place for everyone. Amane, now Yoko, should have a decent new life. But the past refuses to let Amane go and the circumstances behind her resurrection were becoming more and more complicated. It was more than clear that something seemed to be brewing in the background of this new era. And the balance of power was not as even as it first appeared to be. Who had called Amane back in her new body? And for what purpose was she brought back? These questions might be more important than they first appear to be.