Rebirth: Building the Strongest Party with my Overpowered Harem. - Chapter 3: No longer weak.

Betrayed by her boyfriend in the most humiliating way, She seeks solace in a night bar that leads to an unexpected turn—she finds herself pregnant with quadruplets, and the father is a gigolo!She thought it was merely a fleeting encounter, she returns home only to discover he's transformed into the city's most influential CEO.Struggling as a single mother, she's caught off guard when fate brings them together again. He recognizes her, and traps her...

The world had changed when the System arrived, alongside the Cataclysm that filled the world with monsters. The technology was gone, replaced by classes and skills that allowed the people to fight back. When Devon ended up as a Blacksmith, a class that didn’t grant Intelligence, he had to face the reality, that his old career that he loved - mathematical sociologist - was over. Instead, he had ended up as yet another discarded member of the production class, overshadowed by the existence of the System Shops to the point of total marginalization. But, what if all he needed was to reapply his scientific thinking to the System...

“Before the towers fell, before everything was consumed by darkness...”Leo Astralis whispered to himself while traversing through the rubble of the ancient structure.His body bore the scars of survival, bite marks that throbbed against the coarse, blood-stiffened fabric of his clothing.“..I wonder what the world was like.”After humanity failed to complete the Tower almost 700 years ago in time, it exploded, spreading monsters all over the word.Even the system, which blessed humans with power, had abandoned them. Or did it?[Run]A singular message urged Leo to escape, yet it was short lived as was he was caught like an animal in a trap.And just like an animal he lashed out until the very end, taking one of the captors to the grave with him.But as darkness closed in, the system spoke again.[One time Regression activated][Congratulations. You've activated the Heart of the System]

[Slow Burn]

Died as a virgin. Reincarnated with a big rod.

Ding!

[You have acquired the Bad Luck system. The God of death sympathized with you for dying pathetically. You have been gifted with a divine rod. Your meat rod is the tool you would use to rise to the top. Grow faster and stronger to conquer all the beauties and face the tribulations of the world]

“Eh, where am I? What! A Bad Luck system!” Trying to comprehend what had just occurred as strange characters appeared in his view. Vincent tried to talk and move his body but he realized that he was In the body of a baby.

Vincent Oswald, a popular hentai writer and tentacles creator died as a virgin in a tragic accident and reincarnated into another world.

A dog-eat-dog world, a world of cruelness, a world where you could have your head rolling for a plate of meat soup.

Let's see how Vincent survives in this cruel world and strives for the top as a boy that was born with a silver spoon.

Elves + Demons + Vampires + Yandere + Op characters and so many fantasizing things.

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Note: No NTR towards Mc.

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The MC acts naive and annoying in the early 30s chapters. After that, I can guarantee you a lustful, action-packed piece of work...