Rebirth in One Piece as Deputy Captain - Chapter 442

Lingyun, a fierce and savage cultivation genius takes over a dead teenager’s body. Coincidentally, they are both named Lingyun. Set in a alternate version of the 21st century, teenager Lingyun has been killed by someone with a grudge.

- Description from Novelupdates

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

Year 20XX, the world was thrown into chaos when the Tower of Yxthar appeared...A colossal structure reaching beyond the sky, its countless floors each a gateway to a different world. These realms, seemingly connected to distant universes, spilled their dangers into Earth, unleashing monsters, invaders, and unknown horrors that threatened humanity’s survival.But from this catastrophe emerged an era of superhumans.... individuals awakened with extraordinary abilities.They became known as Stream Hunters, a title with dual meaning:“Hunter” for their combat prowess and “Streamer” because they broadcast their battles not just to Earth but across the multiverse.Through their streams, Stream Hunters gained viewers from other worlds, earning gifts and, if fortunate, the backing of a powerful Main Sponsor.Adam, an average ranking Stream Hunter, was just a background figure in their adventures... until the unimaginable happened.He woke up fifteen years before the catastrophe that would doom the world!Resigned to enjoying what little time he had left, Adam prepared for an arduous journey...But fate had another twist: he unlocked the Multiversal Livestream System...Granting him the power to copy the skills of his viewers.

Li Xiandao obtained the ancient Bank of the Universe but now the bank was totally empty and had no treasures at all. The only thing it had were a bunch of debts.