Seeking Happiness - Chapter 127

Xu Jiayan is sick, suffering from a condition where he can't stand to see Jiang Yuan cry. Whenever the young girl sheds tears, he just can't help but feel weak in the knees.However, one day, after accidentally catching a glimpse of her slender waist, he feels his condition has worsened.He finds himself wanting to make her cry,yet he has no desire to seek a cure—How fatal!One-liner:A pseudo-sweetheart vs. a true scholar;Childhood friends turn lovers with a twist of love and war;From school uniforms to wedding gowns, only accompanying you.

Kaelen Dragonyx, a boy who lost both his parents and his mentor in the most ruthless way possible, decided in his heart to become the strongest swordsman in the world to protect the last remaining family he had, which is the only child of his mentor and his childhood friend.But along the line, he discovered that he is the most talentless boy of the generation which made his road towards being the strongest swordsman to be much further away and daunting than he could imagine. Be he didn't give up until he stumbled upon a sword that drastically changed his fate.

In the tenth year after the new era, the world finally came to an end. Zhang Mu truefully waited for his death, but unexpectedly found that he had returned to ten years ago. With his memory about the future, he swore that he would change the calamitous history, saving the earth from being destroyed! Walking dead, zergs, evolvers, and various mutated animals… nothing can stop him! The first step is to retrieve his identity as an era merchant , then find all the treasures he can remember to enhance himself!

- Description from Novelupdates

Evolution, it is the process with which the most fit for survival pass down their winning traits. What if this could be done on one animal, one object, one person, what traits would evolve.

...

Humanity has been entered into the grand inter-realm competition for sovereignty of all realms.

Darwin has been granted the gift of evolution