MTL - Aztec Eternals - Chapter 718 Introductory Mathematics Handbook

The Cambrian Explosion, now the largest life science puzzle…

Wu Yuan was reborn to the eighth or eighth year when the carpenter had just graduated from school.

The snobby wife who had only been with her for three months in her previous life was about to marry.

It is impossible for Wu Yuanduan to jump into the same fire pit twice.

It is impossible for him to take this hard-won chance of rebirth to cover that cold heart that does not belong to him.

With that skill, he could have picked a better one.

The beautiful daughter of the branch secretary’s family is not bad.

Although his family is bare.

Although he is alone.

But he has more than 30 years of experience and a carpenter’s skills.

So Wu Yuan’s rebirth began as a carpenter.

- Description from novelbuddy

In the next life time, he would absolutely not become an author.
He would once again be cursed to the danger of crossing over into a book.
During the time when he broke free of his shell, what he first saw was just the handsome, handsome male lead that he had written.
During the time when the male lead was pinching the small soft flesh of his neck, it was also his first time hearing the male lead’s voice.
“Return goods,” the male lead said in this way toward the vendor stall’s owner.
Pei Bufan: “…… meow?”

- Description from Novelupdates

This world is not reality, nor am I the protagonist.