Unfathomable Senior - Chapter 643

In a world where power is marked by glowing runes and monsters bleed through the fabric of reality, **Ryu** is nothing—an orphan with no name, no status, and no hope. Beaten down by nobles who wield their divine-given strength like a whip, he survives on scraps and stubborn defiance.But when a black rift—an anomaly unlike any ever recorded—appears in the dead of night, Ryu faces a choice: die a beggar, or risk everything by stepping into the unknown.Inside, he finds a nightmare. Kolasis, a legendary predator, hunts him through a twisted forest. The rules here are simple: kill or be killed. To survive, Ryu must forge himself into something sharper than the claws of monsters and crueler than the nobles who cast him aside.Yet the rift has its own secrets. The same power that could make him a legend might also break him—if the monsters don’t tear him apart first.

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

The daughter of a duke, the stuttering Maximilian, married a knight of lowly status at her father’s coercion.

Xiang Ye (Ah Ye) and Charles have the fated arrangement of master and servant. In the depths of darkness, Ah Ye scooped up Charles – a vampire butler. Possessing a fervid passion for service, Charles single-mindedly attends to the secretive young master Ah Ye – regardless of his ferocious appetite, abhorrent taste in clothing, and relationship failings – for the master is always right.

On the other hand, in the chaotic era of scientifically enhanced humans, powerful heroes become the protectors of normal citizens, going where evil needs subduing. This young master may be secretive, but he is our hero.