One Piece: Supreme Check-In System - Chapter 5: It’s Time to Sail!

Bai Chuan has a particularly powerful ability, he can take apart everything in the world as a model and choose the best ability structure to give to himself.

If he was born in a mythical world, given him a period of time, he would be able to overthrow the heavens and the world, become an immortal and become an ancestor.

If he was born in a world with extraordinary monsters and beasts, given him a period of time, he could also become the strongest beast, called invincible and immortal.

It’s a pity…he was born in an ordinary world of low martial arts.

“The water in this world is too shallow to raise real dragons…” He looked at the sky and muttered to himself.

Since real dragons cannot be raised in shallow water, wouldn’t it be better to make the pond deeper?

- Description from novelbuddy

Zero, a 35-year-old mercenary, after being betrayed by one of his teammates who told his enemy about him. He chooses suicide so that he can kill his enemy and his traitor teammate. After that, he was reincarnated into the world of magic, in the body of an 18-year-old teenager with the same name as him. However, his body does not have mana or the talent for magic. But with the help of the cultivation system, he has unrivaled power in the world and has a harem of beautiful wives.

Once again, as he opened his eyes, Ning Changge awakened his extraordinary insight, only to find himself reborn as an abandoned infant.Coincidentally, Zhang Sanfeng passed by and took him in as his eighth disciple.From then on, on Wudang Mountain, there was an unparalleled prodigy with extraordinary insight. While others practiced martial arts or cultivated immortality, Ning Changge aimed to forge a path to eternal life in the world of martial arts!【You studied three thousand classic scriptures, mastered three hundred inner cultivation techniques, and, with your innate inner energy, created the “Eternal Green Immortal Technique”!】【Reading a hundred volumes of swordsmanship, observing battles between peerless swordsmen, you gained insights and created the “Gold-ranked White Tiger Sword Qi”!】【You established the Immortal Sect, spread the teachings of immortality, and led people around the world to cultivate immortality. You observed the path of mortals cultivating immortality and used their inspiration as nourishment, creating the “Great Dao Elemental Infant Condensation Technique”!】【You led the world to ascend, and the world’s will rewarded you with the Supreme Merit Golden Dragon feedback. You refused to absorb it, pondered carefully, and created the “Supreme Merit Body Forging Technique”!】Martial techniques, passing them on to others…

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move: