Avoid Yandere Constellation - Chapter 177:

After being awakened from their slumber, billions of people found themselves dispersed in various sealed crypts. Surrounded by earth, they each had only a shovel.

Elia is a poor university student until the night she’s taken to the world of the Anima—ruled by humans whose ancient hearts pulse with the blood of animals. There she’s forced into a battle to the death. But when Elia survives, and refuses to kill her final opponent, the King must either kill Elia himself, or take her as his mate.

Reth, the brutal King of the Beasts with the blood of lions, shocks everyone when he chooses the weak, human Elia to become his Queen. He promises her every comfort of his wealth and position—but he is clear: She will not warm his bed. He chose her to defeat those that were trying to corner him into blending his Leonine line with the Wolves.

Elia needs the help of the Anima to become stronger and rule them well. But the vengeful Wolves see only a weak human that brought them shame. As Elia and Reth grow closer, the wolves are determined to destroy her. Will Reth and Elia admit their feelings for each in time to fight for the Kingdom—and their lives—against the villainous wolf-tribe? Or will the wolves kill Elia and steal the throne?

[Mature content - no sexual violence]

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He stalked towards her, chin low so the shadow cast by his hard jaw cut across the thick fur collar of his vest. His hair had fallen over his eyes in the scuffle, so he peered at her through it like a lion in the grass. With each step, his graceful, rolling gait reminded her of a predator stalking its prey. Despite the forest floor littered in twigs and leaves, he didn’t make a sound.

“Wh-who are you?” Elia stammered, backing away, her hands up. He met her step for step until she came up hard against the tree behind her—and didn’t stop until he loomed over her, so broad his shoulders and chest made a wall in front of her. She could feel the heat rising off his skin in the cool, night air.

“I am the Leonine King.” His voice was a dark, husky gravel. Behind him a chorus of wheezes, howls, and chirps of agreement rose from the people watching. “And you are?”

“Elia,” she breathed.

“Elia,” he growled, leaning in closer, bringing with him the scent of pine and rain and the musk of something distinctly male. “I am Reth.” He said the name with a strange, guttural roll in his throat. “I am King of Beasts. I am Clan Leader, and I am Alpha of WildWood.” Several snarls rose from the crowds behind him then, but he ignored them.

Elia swallowed as he leaned in until the scruff on his jaw rasped her cheek. “I am the King,” he said, “And you will be my mate.”

The forest behind him erupted.

Forcefully brought over from the modern world to an alternate world, Wang Chong felt detached and lived his life aimlessly.

However, when calamity struck and he saw his family and everything he cared for being torn apart, he felt regret.

Thus, he stood up and eventually became the Grand Marshal of the Central Plains, leading an army against those who seek to destroy all he cherished.

Yet, despite all his efforts, it was already too late to reverse destiny.

But before his death, a shooting star, the same one which brought him to this world, appeared before him, and he was given another chance to undo his regrets.

- Description from Novelupdates

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