MTL - Heaven Defying Supreme - Chapter 139 The battle of genius

An immortal cultivator is murdered by her master and finds herself reborn in the strange world of One Piece. She hardens her resolve to once more tread the path of cultivation, only to find it won't be as easy as she thought.

A slime randomly falls into existence. Sapient and born with the ability to recreate parts of the things it preys upon, the highly confused drop of primordial soup decides that the only real thing it can do is become the being at the top of the food chain. A task of longevity in the leaves of the Omniverse.

He was the continent’s strongest and most revered alchemist, Ye Zifeng. He was under one person and above millions. However, due to an unpredictable event, he had died. After his rebirth, he had become the supertrash of the Ye family and suffered disgrace. To make matters worse, he had an argument with his fiancé that led to the break off of his engagement. In this second life, he will work to change his own destiny. He vows to return to the peak of the world, trample on those who laughed at him and rewrite his legacy!

- Description from Novelupdates

Just as Li Meirong thought her life couldn't get any worse, she transmigrated into an abused body of a servant girl being sold at a brothel in a completely different world.