MTL - Rebirth of Wild Fire - Chapter 172 Demon Heart II

I have a childhood friend.

Liu Man transmigrated from thousands of years ago to the modern world. Before she transmigrated, she was completely broke. After she transmigrated, she was still worrying about her wealth. And so, for her to survive, she decided to start earning money by becoming a cyber star: trading and selling products, taking photos of her kittens, and showing off bits of her skills. One day she realized, that unconsciously, she had become one of the most famous celebrities.

- Description from Novelupdates

There was no light in the night, save for the sound of war drums and war cries.

The young man listened carefully, it was the sound of his heartbeat and the flow of his blood.

What lay hidden in the darkness ahead? Is it man, god or……a monster?

There was no such thing as the best road, because the journey beneath one’s feet is limitless!

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