Rebirth Of The Mighty Overlord. - Chapter 40: An unexpected visitor.

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.

The day of marriage. Lifting the sedan chair to the door, he lightly lifted the sedan curtain, but he saw no newcomer, only a piece of paper pressed under a stone.

Looking at her flamboyant font, his thousand-year-old pupils faintly spurted out a few flames. good very good. On his perfect and impeccable face, there was a faint smile, not angry but smiling.

However, no one saw the hidden chill in that smile. That woman dared to run away from marriage, he would let her know the consequences of doing so.

- Description from novelbuddy

Getting lost in a trip made Tang Siyu be mistaken for streetwalker, and she lost her wedding night. After returning home, she found the fiance cheat her with her sister. She cancelled the wedding in anger and declared missing.

Five years later, she came back with her gifted son. Unexpectedly, her baby took part in the piano competition in order to find his father. “My name is Tang Bao, my mother is Tang Siyu who is super beautiful! I am four and a half years old this year. If there is a man who looks like me may be my father. Please contact me! ” Behind the scenes, a woman was mad. A few days later, the mysterious man called himself the father of her child. Tang Siyu looks at this tall and handsome man who looks like her son. She is angry. So, he was the bastard five years ago?

Once through the pirates, Lu En became the son of Monkey d Dragon, a grandfather named Monkey d Karp, and an unreliable and neurotic younger brother named Luffy.

Fortunately, the ghost back system is activated!

The completion of the ghost back is 10%, and the training effect is increased by 100 times!

The completion of the ghost back is 20%, and the training effect is increased by 1000 times!

…

One day, Lu En, a ghost-backed master, appeared in front of Luffy who was shouting to go to sea, and made Luffy cry on the spot.

Luffy: “The pirates in the sea are all monsters like my brother? I don’t want to go out to sea!”

Garp: “For a long time, the two boys, Long and Luffy, with small arms and calves, I really doubt that they are not my sons and grandsons. Like Lu En, they are the grandsons of the old man!”

Warring States: “The strongest creature in the sea, land and air is Kaido? No, it’s Lu En!”

- Description from novelbuddy