The Retired Hero is an Extra - Chapter 196 - : Mana Theory 101

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

Once went to Capital Academy full of dreams, but in order to save his younger brother from the interstellar pirates on the way, Fei Wushu’s sixth-level mental power broke out and even collapsed. After that, his right hand was crippled. Been on Capital Star.
However, ten years later, he died under the gun of his beloved younger brother. When he opened his eyes again, it was the moment when he had just received the admission notice from Capital College.
He will take back what is owed to him! What is lost, he will take back!
Whether it’s hatred or a dream, in this life, he just wants to live to the fullest!
Although this guy is an iron-blooded and tough guy, he is full of all kinds of idlers. In simple terms, he is a bandit and a hooligan, so don’t be fooled by the slogans this guy shouts→_→Go and mess with me happily, Brother Wushu~~
Qin Yi: What are you doing?
Brother Wushu from Mu Xiaxian: Hehe, this figure is really good, and the abs are pleasing to the touch.
Qin Yi: …
System: Players, please pay attention to the impact in broad daylight, and don’t touch your hands down!
Emphasis: This article is not an online game, absolutely not! Strong 1VS1, the author is glass-hearted, so there is no abuse in the whole process~ There are battles and bugs in the mecha, please enjoy looking far away…
  Lightning Protection Patch =v=:
1) CP: Young Master X Brother Wushu
2) This product is not an online game, absolutely not!
3) This article is not self-taught, everyone has their own body, okay [Helpfully spread your hands~~
4) Even if you want to know the follow-up, don’t let the code spoil it~ Mr. Truth’s guess is not the same concept as spoiling the code yourself = =
Search keywords: Protagonist: Fei Wushu, Qin Yi ┃ Supporting roles: Genius and passionate teenagers~~ ┃ Others: This product is not an online game…

- Description from novelbuddy

Tian Long, an orphan without much of a life in both his thirty year long life and lifespan!
To him, a single opportunity was displayed to transmigrate into another world with his Death Book!
"What's this? Is this the body of a three year old? Davis? Is this my name from now on?"
Finding himself possessing a small child, he becomes inwardly conflicted before he faces the truth and his reality!
Young Davis finds himself as the legal heir, the Crown Prince of the Loret Empire in the Grand Sea Continent, becoming a powerful cultivator in a short time...
However, is that all?
Follow his journey as Young Davis becomes a full fledged death's advocate while embodying into the Divine Emperor of Death in the world of cultivation!
"Mn? The route to become the Emperor is a given? Nah, I still don't want it..."
"Oh? I'm courting death you say? Unfortunately for you, death is already my woman..."

Her – a glutton without troubles or worries who crossed over and became a young fat chick with a deep vengefulness.