Medical Master - Chapter 1990 - The Ancient and Modern Fang is ready for sale!

He lived from BC to the Middle Ages, from the Renaissance to the Industrial Revolution, and from Cyberpunk to the Interstellar Age. He has been a king and a prophet, a knight and a nobleman, a versatile artist, a genius inventor…
This is a four-thousand-year human epic——
“To us four thousand years from now:
“Is the world at peace? Is famine extinct? Can people touch the stars? How long is the human lifespan? How far is the boundary of the earth? Human…do you remember us?”
——Excavated from Earth Age Tenth Century BC, Solomon Prayer Book.

- Description from novelbuddy

Being able to see into people's past has no real appeal for the teenager this story is about, letting him use it only as amusement and to show off when he was drunk.Never watch into someone's past beyond a superficial level.Never try to find out more than you should.NEVER. EVER. LOOK. INTO. THE. FUTURE.But everything changed the moment he was forced to look into the future, was forced to investigate a murder, and was forced to make the acquaintance of the victim's twin brother('s fists).The more time passed, the more it appeared that the primary reason for this murder wasn't a local problem, but a global one.This single, marred corpse was the beginning of a threat that would shake the world.(MC looses a screw when he enters the prison)BL, first-person view; MC is shuo (perhaps even a reversible couple); love interest falls in love first; both MC and ML are straight, mutual bending, Enemies to Lovers

Knox is an omega – poor, orphaned, weak, and bullied. He was the unluckiest human being alive – according to his own.Burdened by debt, he has no choice but to stop school and work to pay off his loans all the while hiding the truth and pretending as a beta to save himself from harassment. He accepted all legal jobs he could get to make ends meet.Including a contractual relationship with an alpha who’s suffering from a pheromone disability. He gets paid – enough to free him from all of his debts. All he has to do is help the alpha stabilize his pheromone…not until that night happens…The contract was breached. Knox has to pay the price. Afraid of his circumstances, he ran away.Years later, Knox became a capable man. He has a nice job and a kind boss. When his boss got invited to an engagement party, as his secretary, Knox had to come with him. However, he was shocked to find out that the man to be engaged was none other than the spitting image of his son!How will Knox keep the truth from him, when after their eyes met at the party, the alpha had already marked him as his property, claiming him as the payment of the contract he breached?Will Knox hide and run away again? Or will he choose to pay off the debt to be free? Will he be able to push away the alpha whose vices are hidden behind his attractive mask or will Knox abandon his virtues and embrace the dangerous father of his son?

This is the tale of Arin, a once kind-hearted and gentle child, now a man hardened by the cruelty of society and the brutal trials of life—a man transformed into a ruthless criminal, devoid of mercy. As his world was collapsing, fate transported him to a new realm. This world, more vicious and savage than his own, was steeped in magic and dark mysteries.Ironically, it was in this fearsome world that Arin, now an undead being, began to rediscover his lost humanity. Through battles and bloodshed, amidst the clash of sorcery and steel, he started to reclaim the compassion he once hated. This is not just a story of survival but a saga of transformation. Follow Arin’s journey as he rises to power, determined to become the ruler of this harsh world. In a twist of fate, he now seeks to save the very humanity he once wanted to destroy.