The Demon Queen's Royal Consort - Chapter 98 - Dungeon - VI

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

On Christmas day, seemingly overnight, God summoned everyone on Earth, giving every single person a 'Gift' along with a System.

These Gifts, synonimous with special abilities granted people powers beyond comprehension.

However, with these abilities came tragedy that enveloped the world. The Apocalypse!

Jeremy Lewis, a reclusive loner, is mysteriously exempt from this phenomenon and finds himself being the only one without a Gift.

God decides to grant him the last Gift available, [Subspace], and forcefully returns him to a world that has become hell.

Horrifying monsters now lurk around every corner, and inevitable death awaits.

Arming himself with his wits and the Gift he possesses, how will Jeremy survive this cruel new world that he finds himself in?

“Everything will go according to plan, and ultimately the path I have started will lead to my victory... these tools will be useful in achieving that!”

“One Generation Immortal Venerable” Luo Chen was attacked and reborn and returned to Earth.

He is an ordinary person, facing the contempt of his girlfriend, the ridicule of his rivals, the miserable life of his parents, and the threats and provocations of the rich and young.

He vowed to change the injustice of fate, stand on the pinnacle of this world, and tell everyone that Luo Chen had been here.

- Description from MTL

A Hentai World is a Dangerous Place, Especially if Your Best Friend is a Hentai Protagonist and You Are a Trap.