Hogwarts: Harry Potter's Return from the Witcher World - Chapter 413: Want Some Hair-Growth Potion?

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!

Drizzles in the wind, a small shop with pennants, and flower-like vintners.

Xinfeng’s fine wine, tenderly-fresh sunflowers shoots, and superb delicacies.

Lin Yan, Shaoyin of Jingzhao laid his eyes on the restaurant’s owner who has skin as fair as snow and beautiful apricot eyes.

It was pitiful and pathetic for a young lady from high-society to fall into the situation of selling wine…

Yet Shen Shaoguang thought: With wines and delicacies, and being able to see handsome young lads pass by…Life is treating her well enough!

Lin Yan’s expression was heavy, these young lads dress up fancily every day, showing off themselves and playing boring games like rooster fights and dog races…It’s time to straighten them out!

- Description from Novelupdates

Dr Dalton Wyatt, a world renowned Scientist and Inventor is transmigrated to the body of a high school student Dalton Wyatt who committed suicide due to unfortunate circumstances and complicated life.

Jacob Steve, an Old Man, died at 116 after living a whole life.

But Jacob always had a dark side, which he always suppressed and hid from others.
However, in the later years of his life, when death was inevitable, he understood there wasn't any point in having wealth, knowledge, or desires if you couldn't have a life to enjoy them.

He became obsessed with fabled immortality and devoted his reaming life to extending his fleeting lifespan, but just like any other failed.

However, he mysteriously got another chance at life and found a way that led to fabled immortality.
But he was also forewarned that the way led to it was filled with blood and darkness!

In the end, Jacob chose it anyway with no way of going back, and it was also the start of his suffering and his icky, brutal journey toward the 'Immortality' he wanted so badly!