No female lead but with a romantic subplot; not a saint or brainless character (as much as possible); villainous male lead.

Beyond the thirty-three heavens, beyond the nine layers of clouds dwell immortals.

Immortals were originally mortals, but the only problem is that mortals lack firm resolve.

Thirty years of human desolation, Cheng Liang only wishes to pursue herself.

Humanity dwells on a small island called Ignorance in the midst of a dark ocean. This ocean is vast and holds countless secrets, but we should not sail too far or delve too deep. — Lovecraft, The Call of Cthulhu

[Western fantasy + simulation + half-succubus, half-fox + not invincible + leveling up + dimensional warfare]

Mikoro was born into a world destined to be swallowed by the abyss, and because of his demonic bloodline, he was to be executed upon reaching adulthood.

Fortunately, he obtained the Life Simulator System, which allowed him to escape death time and time again, seize opportunities from the impossible, and finally become the Lord of Eldar and King Slaanesh at the end of the world.

After the first simulation, he saw a glimmer of hope in a seemingly hopeless situation and successfully elevated himself to the ranks of the extraordinary.

After the second simulation, he seized an opportunity amidst the demonic calamity and escaped the Blazing Sun Empire. From then on, he was free to roam the world!

After the third simulation, he established a stronghold in the northern border of the Mountain Kingdom, commanding a large army and many generals, and the region was thriving.

...

After countless simulations, he sat high in the sky, ascended the throne of Slaanesh, and as far as the eye could see was the Demon Kingdom of Ten Thousand Desires.

All thoughts and desires lead to lustful karma, and all sensory experiences ignite the fires of desire.

Endless demons chanted hymns of praise, their decadent sounds resounding throughout countless worlds:

"Sinking into the sea of ​​desire, singing and dancing wildly; "

Unrestrained and unbridled, he fell from sainthood to demonhood;

Salamu abounds, a perpetual celebration!

A humble scholar, with bones as thin as feathers, treads the foul wind; his blood, congealed into cinnabar, scorns the Daoist master.

Claws shatter cities and devour the sun and moon; a demonic heart refines the world and scorns the heavens.

The cauldron melts all laws to open a new realm; the sword shatters a thousand sects to reach the summit.

Do not concern yourself with the affairs of good and evil throughout the ages; only a single thought can govern the primordial chaos.

The matter that makes up the world we know only accounts for less than 5% of the mass of the entire universe. So where is the other 95% of the universe's mass? What is it like? A soul that travels across time and space accidentally encounters a mysterious and strange shadow world. Tearing apart the bloody and ignorant appearances and dispelling the mysterious and strange fog, evolution and truth unfold before his eyes. P.S.: The original inspiration for this book comes from the American TV series "Stranger Things".

In the misty sea fog, on the deck of the ghost ship, Hern Iheroa gazed into the distance, using a brass telescope inlaid with inhuman eyeballs, at a geometrically indefinable outline. He mechanically tore at the rotting fish flesh in his hands, stuffing it into the relatively neat slit in front of his skull, known as the "mouth." At that moment, only two questions occupied Hern's mind. First, when would he find a doctor? Second, what about the remaining 1,278 mouths on his body after he had eaten his fill—"So, doctor, is there... any hope for us?"

"Uchiha of the One Piece World," "Marine Admiral," "Smoker's stepsister," "The Celestial Dragons' lifelong nemesis," "Is Sharingan + Ice Release + Devil Fruit a viable combination?" "Ancient Zoan - Snow White Wolf!" "The Navy's peak of handsomeness in 800 years!"

With the aim of hunting down the Celestial Dragons, he used a dual identity to rise through the ranks of the Marine Headquarters, becoming the youngest admiral in history!

Borsalino: Compared to that brat, we're ashamed to be called monsters.

Sakazuki: Although he's an ice-wielding guy like Kuzan, I felt this kid's burning sense of justice!

Kuzan: Compared to that, my fighting style seems incredibly crude.

Sengoku: He will be the future of the navy! A pillar of the navy! (Most importantly, his face boosted his recruitment rate by several points.)

Garp: I have a feeling... this guy will unleash a storm of a great era, just like Roger!

...

Ten years later, the Marineford War.

When the Sharingan's gaze fell upon Marineford...

Allen spoke softly.

"The winners don't care what the world is like, they care about how they make it..."

"And I am the victor!"

"Schrödinger's heroine," "decisive and ruthless," "ruthless and vicious," "arrogant? What kind of young person isn't arrogant?!"

It's time to show the world a fighting style that's no longer suited to this era!

The story takes place in the 42k era, after the fall of Cartier and Guilliman's awakening. The protagonist's stats aren't high, but his abilities are conceptually advanced. He starts by healing the sick and saving lives at the bottom of the hive, then becomes a space firefighter. He's either in a chaotic melee or on his way to one. The quack doctor will use his miraculous healing skills to protect the Emperor's loyal subjects. If life is the Emperor's currency, then Ivers is the one who mints that currency.

Saving people is awesome! Fighting is awesome!

Bring salvation and loyalty to a distant and dark future!

[No system + no saintly qualities + selfishness + satisfying read + invincible protagonist]

With the resurgence of spiritual energy and the invasion of alien races, a catastrophic crisis has arrived.

This is a fortunate era. Because everyone has the opportunity to step into the extraordinary realm and gain power comparable to that of the gods.

However, this was also a desperate era, because human life was cheap, and the slightest misstep could plunge one into eternal darkness…

Having saved millions of lives, Ning Yuan, who is dedicated to protecting humanity, is revered as a guardian deity by ordinary people.

However, in his later years, he was secretly executed by the higher-ups as a condition for making peace with foreign tribes.

When he is reborn, he walks the path he came from, step by step climbing to the top, becoming a chess player from a chess piece.

Ning Yuan left behind only a cold laugh:

"You shall protect this world yourselves."

In the future, death is not allowed.

Everyone can be resurrected by a spell called 'Resurrection'.

-

-

I'm dead.

Inexplicably, I was resurrected in a mysterious prison using a 'resurrection technique'.

The prison has a variety of torture instruments.

Every day I would be tortured to death by these torture instruments, and then resurrected to continue being tortured.

And it's not just me.

There are many people like me in this prison.

Some of these people have even been tortured for thousands of years.

We can neither live nor die, and we can never rest in peace.

…

I have to find a way to escape...