The Simple Life of Killing Demons - Chapter 29Book 12:

With the revival of spiritual energy and the breakdown of the order of species, it is a difficult test whether human beings can still stand at the top of the biological chain.

(There is already an old book, The Strongest Descends in the City, you can read it.)

- Description from novelbuddy

The Invincible Immortal Emperor reincarnates, taking over the body of a student at the Huaxia Medical College. He displays extraordinary skills both in combat and medicine.In his previous life, he was the undefeated War Emperor and the supreme master of medicine. Yet, he found himself ensnared in the mundane affairs of the world, confronted by endless temptations.Would he lose himself to these temptations or remain steadfast in his principles? Would he succumb to despair and decadence, sinking into oblivion, or would he rise with strength and resilience, reversing the course of destiny?As he sets forth on his path to reclaim his status as the Immortal Emperor, he vows to make the ghosts and gods of the myriad realms tremble in fear!

After meeting his demise, Ye Ning finds himself in the body of a low-ranking official. However, he is far from unlucky. He has received an all-powerful system that will allow him to become the invincible Heavenly Official.The only catch is that he must first succumb to death without committing su*cide.Surely, that isn’t so hard, right?But he soon discovers that this world is toxic.Emperor of the Great Zhou Dynasty: “One glance at Ye Ning leads to a lifelong mistake. If he dies, I absolutely refuse to live.”Immortal of the Upper Realm: “People in this world are mostly indifferent, only Mr. Ye has never abandoned me, so I will do my utmost to protect him.”Countless people: “Anyone in the world can be dispensable, only Mr. Ye must be protected. He is a saint for all ages!”—Ye Ning: “Please, can we not add any more drama? I’m almost invincible, why can’t I die yet?”

Luo Fei does not fear being rivals in love with Xi Yanqing; what he fears is that they have transmigrated to ancient times and become betrothed to each other!

Father Luo: Eh?! Not getting married? How about I break your legs if you don’t get married?!

Luo Fei: Dad, ahh, Dad! Aiyo, stop beating me now! I’ll just go get married okay?

Xi Yanqing: You know that you can’t escape and now you’ll have to pay for it. Did you leave without bringing your IQ?

Luo Fei: You with the surname Xi doesn’t have to sleep on the bed on the wedding night!

Xi Yanqing: Oh.

Luo Fei Who on His Wedding Night was Pressed to the Trunk of a Peach Tree at the Entrance: …f**k you surnamed Xi! This isn’t what I meant!!!

- Description from Novelupdates