Maou-sama no Machizukuri! ~Saikyou no Danjon wa Kindai Toshi~ - Volume 4 Chapter 13

You Liangxing would never open the speech function in game.
That was because his voice was…
Particularly! Kittenish!

But there was one day, he queued up with a teammate who had so much to say that they may as well explode. Vexed to the point of no return, he contributed a voice that was capable of splitting heaven and earth, “Don’t BB.”
The other party who was being scolded stilled. In the ensuing silence, he suddenly let out a long, relishing… Moan.
You Liangxing: “…..”

Later —
He realised that the person was a great god,
Much later,
Without him realising,
He became the great god’s royal healer.
…. And also his boyfriend.

- Description from Novelupdates

The sinful act of Humanity brings forth a great calamity towards themselves, or so they thought.

Supernatural Emergence happened,

Supernatural Creatures start to come out of nowhere and forcefully claim half of the Earth and massacre any humans that crossed their paths. The Supernatural Creatures are way too powerful, dozens of countries fall under their diabolic claws. Humanity was pushed against the corner.

But things started to turn around when Humanity begins to Awaken magical power blessed by the gods. They are the pillar of humanity, and they're called Awakened.

Rex Silverstar is a normal human boy that has a traumatic experience on the day the Supernatural emerges, a Werewolf takes everything he had. He lost his family and his home, he's left all alone in the cruel world. But what drives him to live every day is his deep hatred towards the Supernaturals.

Rex decided to join the military in hopes to help exterminate the Supernatural from his early teens, he found out that it's impossible to kill the Werewolf that killed his parent without being an Awakened.

On a fateful night, In a near-death experience, When his soul was about to be taken by Death. He is given a chance by the full moon where his life will be turned around.

Given the chance to get stronger by a system and has the potential to match the Supernatural, Rex was ecstatic before he saw his stats window on the system.

“I'M NOT A WEREWOLF!!”

“Daily Quest failed, Decrease 20% Sanity Stat”

“Blood Moon will start in ten minutes”

“Sanity stat is too low to control the Blood Moon blessing!”

“Forceful Transformation will begin shortly”

“WHAT?! I'm a human! What transformation?!”

“You're Overwhelmed with Bloodlust!”

In the Province of the Nine Skies, far above the heavens, there exists Nine Galaxies of Astral Rivers made up of countless constellations interwoven together.

For Martial Cultivators, they could form an innate link with one of the constellations, awaken their Astral Soul, and transform into a Stellar Martial Cultivator.

Legend has it that, the strongest cultivators in the Province of the Nine Skies, were beings that could open an astral gate every time they advanced into a new realm. Their talent in cultivation was such that they could even establish innate links with constellations that existed in a layer higher than the Nine Layers of Heavens, eventually transforming into the heaven-defying and earth-shattering power known as the War God of the Nine Heavens.

Qin Wentian is the MC of this story. How could a guy, with a broken set of meridians, successfully cultivate? There were countless Stellar Martial Cultivators, as there were countless constellations in the vast starry skies. What he wanted to be, was the brightest constellation of all, shining dazzlingly in the vast starry skies.

- Description from novelupdates

He is an undead who is devoid of all humanity, he is the one and only supreme overlord, he is a man who has severe mysophobia.