Naruto System in One Piece - Chapter 115

Zhao Feng works hard to prove himself better than peers in the Martial Arts Training Ground, but just when he's about to give up, a mysterious black, marble-like, object fuses with his left eye, granting him the powers of the ancient gods.With his newfound powers, Zhao Feng embarks on the journey toward becoming the greatest martial artist of all time.

After being reborn twice, Jiang Chen discovered that the tragic death of the first life was not an accident, but a meticulous design for the sake of never ending troubles.

The protagonist of “Life of Domination” wears the “best choice system”. In the delivery room, the system gives him two choices: “ordinary biological parents” and “rich non-biological parents”.
The protagonist chooses without hesitation.

So , the system took Jiang Chen and the protagonist unknowingly, and the life after that was turned upside down.

The protagonist relying on the system in his hand, went all the way from a scholar to a crocodile, inheriting the family business in expectation, a complete life winner
Jiang Chen, on the other hand, had to give up his original dream and graduate early to earn.

One hundred years after the star calendar, the scientific research boss Jiang Chen woke up and returned to his second year of high school. His father was disabled in a car accident, and his mother carried all the heavy burdens, but did not complain to him at all.

Jiang Chen did not choose to find his biological parents first, but made a breakthrough by himself with the memories of his previous life and the knowledge he had learned in his previous life.

In a word: Professor Jiang, a man who can tear apart the system plug-in with his bare hands.

- Description from Novelupdates

I made a character gacha game with constellations that people from other worlds can relate to. I was worried about what would happen if the constellations got angry, but… [The King of All Demons complains that the Demon King character’s pick rate is too low and begs for some fan service content.] [The First Elven Hero asks when their episode as the protagonist will be released.] [The Master of the Night fidgets their fingers, wondering if their character’s jaw could be made a bit more slender.] They… unexpectedly like it?

[Youngster don't understand the charm of 'milfs', instead mistaking Lolitas as the treaures]Leading a life filled with regret and pain, Li Zhiyan reborn with a seemingly feeble 'system', taking back to 2010.Right at the moment he was about to be publicly rejected at graduation party after confessing his feelings with a bouquet of flowers to the school beauty, Yu Sisi, and about to become a joke among his peers for years.“I...I am reborn?”The wheels of a new fate begin to turn.All along, the school beauty Yu Sisi has only been deceiving and playing with him. In his past life, Li Zhiyan himself did not know and became a laughingstock, but now, as a reborn person, he has already seen the true face of this girl.He chuckled coldly, glanced at the mother of Yu Sisi on the side, the 41-year-old Aunt Gu Wanzhou.She was mature, intellectual, elegant, kind, considerate, low-profile.The sex appeal of a mature milf lady was radiating all around.Li Zhiyan decisively picked up the flowers, ignored the school beauty, and boldly confessed his feelings to this attractive mature woman in front of everyone.“Lady Gu, actually, I've had feelings for you for quite a while.”