Devil's Son-in-Law - Chapter 10: Symbiotic Contract

Cui Heng was transmigrated to another world and the system told him that the new world he was in was a high-grade Xianxia world.

A supreme expert in the Immortal World had died, and a strand of his soul returned to its original body on Earth. Tang Xiu discovered with amazement that ten thousand years passed in the Immortal World, yet only a single year passed on Earth.

Ruthlessly betrayed by his lover and trusted friends, Tang Xiu found that his soul went back to his previous body on Earth, and, despite he spent 10,000 years in the Immortal World, just a year has passed on Earth and many things have changed. Having an unsurpassed knowledge, Tang Xiu will protect his loved ones and go back to the Immortal World to take his revenge.

- Description from Novelupdates

A young love leads to a lifetime of entanglements. Zhao Mo Sheng is a university student with a sunny disposition. The bright and cheerful Mo Sheng fell in love at first sight with He Yi Chen, one of the top students from the Law Faculty. However, his poor communication skill, makes her depart sadly for overseas. Seven years later, Zhao Mo Sheng returned home and spotted him immediately in a crowded supermarket, …….

This is a very short and sweet story about two college sweethearts, who separated on a bitter note but fate tosses them together again seven years later.

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