Silent Witch - Chapter Volume 4 4: It Ended Well All Thanks to The Embroiderers.

Forget about moving to the other side of the world and starting over.The Apocalypse is here!As the only survivor of the Tutorial Quest in his area, Elijah awakens the Class of “Depraved Hero”, an ominous-sounding Class with a Legendary Rank!Additionally, because of the insane difficulty as well as his Clear Rank, he gains the Skills that, according to the mysterious figure that is the Administrator, he needs most.[You have Developed the Skill “Absolute Authority[A]”.][You have Developed the Skill “Slave Mark[C]”.]

Empires rise and fall on the Yulan Continent. Saints, immortal beings of unimaginable power, battle using spells and swords, leaving swathes of destruction in their wake. Magical beasts rule the mountains, where the brave – or the foolish – go to test their strength. Even the mighty can fall, feasted on by those stronger. The strong live like royalty; the weak strive to survive another day.

A novel revolving around being transported to another world with an op system. The mc spends his day chasing skirts and doing missions to level up. A standard journey to the top with lots of girls from various animes and games with a twist of that gaming feel (hunting mobs, doing missions).

- Description from novelupdates

“Congratulations, you're now a Handler. You'll serve the state with utmost loyalty and pledge your life to its causes.”That was what Trent heard just before being handed an envelope—and a whole lot of disrespect.Mocked for his poor combat performance and labeled pathetic by his superiors, Trent finishes Handler training humiliated and underestimated. But they made one mistake: they judged him by his strength, not his mind.What Trent lacks in brute force, he makes up for with a rare genius in finance.So when a mysterious voice speaks to him in the bathroom—“Hello, Host. This is Ave-511e69.”His world flips upside down.Now equipped with Ave, a mysterious financial system that seems to know everything, Trent is about to rise through the ranks in a way no Handler ever has.Through stock markets, black-market missions, and calculated chaos, he will prove that money is the greatest weapon of all.They looked down on him. Now, they’ll look up in fear.