God Ash: Remnants of the fallen. - Chapter 5: Elite Blade Devil.

“Young man… if you could go back in time, what period would you like to be in?”

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

In the residence of the Duke of Zhenguo, the legitimate young miss, known for her icy demeanor, had transformed overnight.She, who usually regarded no one, woke up to confront anyone she saw with a few harsh words, using her frail body to intimidate so much that no one dared to touch her.Afterwards, this legitimate young miss began taking on retainers, nurturing powerful officials, engaging in commerce, and recruiting troops… Every act so shocking and audacious, it defied the norms and provoked fear in all who spoke of her!Yan Wanqing was seen as an enchantress and a disaster by the people, a thorn in the flesh and a nail in the eye that the ministers wanted desperately removed, an entity everyone shunned as if she were a venomous snake.Only the Crown Prince Mingyue, descending from the divine altar, in the dark, godless alleys, grasped her neck and repeatedly asked her, “Will you marry me or not?”

In the rebirth, in order to prevent the tragedy of the previous life from happening, Bai Yu decided to rush to the [Tower of God] at any cost, and face everything together with his sister!

However, Bai Yu, who was bound by the system, mutated his bloodline, and transformed into a black-scaled python seems to be developing on a completely different path from his previous life…

- Description from novelbuddy