This is really not mechanical ascension - Chapter 233 - 131 Two Birds with One Arrow, A Big Harvest Through Underhanded Tactics_2

She was originally a puppet of her family. Pursued by the police for being a business spy and hitman, she was betrayed and fell into the sea.

When she opened her eyes again, she had turned into an ordinary high school student. Because of a disgraceful birth, she had been crowded out by her relatives. Because of inferiority complex and antisocial behavior, she was bullied by her classmates.

But now she is no longer someone who acts timid. Cheat her, and she will break your bones.

She possesses formidable Jade pupils capable of seeing through walls. Other people have difficulty breaking through jade, their sight for antiques is based on gambles, but she only needs a look.

An undertaking begins as she creates legends in the world of business.

Once upon a time, they laughed at her poor and destitute state. Now looking at her net worth of 10 billion, it can’t be explained.

To the relatives that come to hug her thighs, she must apologize: “We broke off relations long ago, so get lost!”

- Description from Novelupdates

I found myself possessing the body of a young master who everyone was eager to kill. I’m invincible, so let them try to kill me. It’s only for one second, though.

Today’s headlines –
   “The Malaysian Master has broken through nine products and fought the world!”
   “The pony master is the best, sweeping Eurasian!”
   “Joe’s helper once again, suspected of nine major masters!”
   “The god of the gods is not old, the global master list re-enters the top ten!”
   “…”
   Looking at a piece of news flashing, Fang Pingxin is so tired, this script is wrong!

- Description from 69shu.org

Ron finds himself reborn in the world of One Piece, stranded on a remote island in the East Blue. But he's not just any ordinary child—he’s bonded to a mysterious sign-in system that grants him powers with every new location he visits.At his first sign-in, he unlocks the legendary Sun Breathing Technique, along with a boost to his vitality. From Shitmotsuki Village to Skypiea, Enies Lobby to Marineford, Ron travels the world, collecting extraordinary rewards that make him a force to be reckoned with. The Raikiri, one of the 21 Great Grade Swords, Armament Haki, Observation Haki, and more fall into his hands.As Ron steps onto the battlefield of Marineford during the legendary Summit War, the mightiest warriors—Four Emperors and Marine Admirals alike—pause, stunned by his presence. But Ron merely waves them off, “Don’t mind me. I’m just passing through.”Join Ron on his journey across the Grand Line as he signs in at iconic locations, growing stronger with every step. This is not just an adventure—it’s a legend in the making.