I got transmigrated with Incubus system - Chapter 20: Trial 2

Su Yun was a prodigy, blessed by the gods. However, life is never so easy. Soon after reaching 6th stage in spirit novice realm cultivation, his progress stagnated due to incurring a rare medical condition.

A few years go by, and Su Yun has spent all his time gambling or drinking, wasting his youth away, but one day everything changes. Qing Er, the only one who stood by him was forced by his clan to be a sacrificial bride to someone she didn’t love, only to be executed by the groom on the wedding night for fleeing. Burning for revenge, he scoured the world for a cure for his rare medical condition from both righteous and villainous side.

Countless years go by, and finally Su Yun not only found a way to cure his rare condition but also gain immense knowledge on a myriad of martial techniques.

But before he could fully cure himself, he received news that the groom suffered an assault that damaged his internal organs. Rather than wait for decades to become fully cured, Su Yun decided to hatch a plan for the assassinate of the groom. Unfortunately, he underestimated the strength of the groom’s family and was killed instead.

Then he regains consciousness. He comes to a realization that he went 15 years in the past. This time, he vowed to protect Qing Er, but first he must cure his rare medical condition. Will he learn from the mistakes of his previous life or is everything still set in stone?

- Description from Novelupdates

Bai Jin is reborn before the sanctification of the Three Pure Ones and is taken as a disciple by Tongtian. In a strong sense of crisis, Bai Jin embarks on his path of survival, currying favor with his elders, making powerful connections, subtly influencing the grand scheme of the ancient cosmos, and building a network of relationships to protect himself. In the process, Bai Jin also earns numerous accolades.Tai Shang: “Bai Jin possesses great wisdom!”Yuan Shi: “Among Tongtian's disciples, only Bai Jin is worth noticing.”Tongtian: “It's Bai Jin who understands me the best.”Zhun Ti: “When Bai Jin becomes shameless, this poor monk willingly admits defeat!”Duo Bao Rulai: “Bai Jin is a despicable, shameless, treacherous villain.”The Jade Emperor: “There is no one more loyal and righteous than my nephew, Bai Jin.”

“Heroes killed my parents. Now I wear the mask of one. Until I can bury them all.”At seven years old, Hernan Vale watched his parents — two powerful heroes — brutally executed in their own home by the very people they trusted most: the legendary super-team known as the Zodiac 13.They thought he was dead.They made sure the world blamed villains.They covered their tracks.But Hernan survived — and never forgot.Ten years later, under a false name, Hernan enters the prestigious Hero Academy, hailed as a prodigy. To the world, he’s a rising star. To his classmates, he’s charming, calm, unstoppable.But inside?He’s a weapon. Waiting. Smiling. Counting names.As he trains to become a licensed hero, fights real villains, and rises through the ranks, Hernan plays the long game — earning the trust of the Zodiac, learning their routines, studying their weaknesses. One by one, he’ll bring them down.And this time, he won’t hide in the closet.But the deeper he goes, the more blood he spills — the more he wonders if he’s becoming worse than the monsters he’s hunting.And when love, loyalty, and lies collide, Hernan may have to decide:Will he save the world like they think he will...or finish burning it down?

“I want to be a true demon.”

A boy not older than 20 years wished as he looked at the sky.

After suffering from the trauma for many years, he finally gave up on life.

People called him ugly, demon, and hideous.

He bared with it, but today he finally broke.

With a piercing pain in his chest, he died.

When opened his eyes, Logan found himself in another world and inside the body of a demon.

His wish was granted, but at what cost?

He had no power and was the lowest among the demons.

No one to help, no one to be with him.

But it did not affect Logan. Because he had something else with him.

‘Sin and Virtue System.’

Guiding him towards his goal to become a true Demon.

Logan’s conquest has begun, so be a part of it.

Otherwise, you will miss him.

The true Demon!

However, is the MC the 'only' one to have a system?

Hm?

Read the fucking novel and find out!