I Was Just a Cleaner... Until I Got the Demon Extraction System - Chapter 25: First Day as a Mediator

A young farmer's son, Oscar, is content with living a peaceful life, but by fate's whim, he is found to have the potential to become something greater, an Exalt. A special class of humans who perform miraculous feats and lord over others. Despite his shortcoming and slow progress compared to the geniuses around him, Oscar holds determination as his shield and persistence as his blade. Who says that a person needs to be a genius?Who says that a person has to be a prodigy?With each heavy step, Oscar walks the path of an Exalt.

When her father passed away, her mother married into a large family. She thought it'll be a new beginning of her life, but it only brought her an substitute marriage to a disabled husband her step-sister didn't want.On the second day of their marriage, the noble and aloof man said indifferently, “Divorce or live as a widow, choose one.”She pulled off his suit pants and touched his firm and sexy thigh, “I choose the third option!”Latter, she used her medical skills to healing and saving people, including her disabled husband, who turned out to be a hidden billionaire!Nobles and celebrities sought medical advice, flocking to her like ducks.Those who humiliated her regretted it deeply, begging for mercy on their knees.The billionaire smiled proudly, “My wife is a treasure, only her husband knows it!”She rubbed her waist and gritted her teeth, “Didn't you say that you wanted a divorce and warned me to stay away from you?”

In the era of interstellar warfare, every melee mech will be paired with a long-range sniper mech to cover the battle.
The sniper mecha master Yan Xueshan (beta) and the melee mecha master Arthur (alpha) are just such a pair. The two have been together for six years.
The upcoming Armageddon is a near-death battle.
the day before.
Yan Xueshan: “Remember to write a suicide note in advance.”
Arthur said frustratedly: “I have only one regret. If I die this time, I will be a virgin until I die.”
Yan Xueshan snorted coldly: “…no promise.”
Arthur asked pitifully, “Master, can you fulfill my dying wish??”
Yan Xueshan: “?”
How absurd.
But Yan Xueshan thought about it, this is his comrade-in-arms, whose life and death intersect, chastity counts as a p- OK, I agreed! !
However, after the Armageddon, none of them died.
Not only did they become war heroes, Arthur also turned into a federal prince.
Arthur took out the marriage application, just one signature, and said honestly and faithfully: “Master, didn’t you say that you will go back to get married and retire after this battle? You help me fulfill my wish, and I will help you fulfill my wish too!”
Yan Xueshan: … something seems to be wrong?

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- Description from novelbuddy

Earth was supposed to be a safe haven.And for a time—it was.Until one night, golden stars lit up the sky like cosmic flames. The heavens swirled, the winds howled, and the world braced for its end. But just as quickly as it came... the phenomenon vanished.Weeks later, everything changed.Humans began to awaken powers once thought to exist only in fantasy. Skills—mystical, world-shaking abilities. Some used them for good. Others unleashed devastation.What could a gun do against a man who could turn into a living bomb?Portals tore through the sky, connecting Earth to monstrous realms. Beasts, demons, and nightmares poured into the world. Amid the chaos, powerful humans rose to fight back—and won. The survivors called them one thing: Heroes.Among them, one boy was left behind.Han Trystan—orphaned during the Sendok Calamity—carries the burden of rebuilding his parents' legacy, protecting his three younger siblings, and finding a cure for his dying aunt. But all of that hinges on one thing: awakening a powerful Skill.And when his time finally comes…> Name: Han TrystanSkill: Book FormationRank: EThe lowest rank. A joke. Practically powerless. Hope? Shattered.Until Han discovers the truth.His skill isn’t “Book Formation.” It’s something far greater.Creation. Not just of weapons or armors. But artifacts, pills, barriers—even other Skills.The world labeled him weak. But he was never meant to follow their system—he was meant to break it.Years later…> “Did I see that right...?”“Yeah. He just wiped out hundreds S-Rank monsters—alone.”“So the title ‘White-Black-Haired Monster’... it wasn’t exaggerated after all.”In a field of fallen beasts, one man stands untouched. Eyes calm. Power immeasurable.> “Weaklings.” Han mutters.Follow Han Trystan’s journey from the lowest-ranked misfit to one of the most powerful beings in the multiverse—and witness the rise of a legend the system tried to erase.