One Piece: King of the World - Chapter 331: The Undercurrent of Impel Down?!

She was one of the best assassins of the modern world; a sly, black belly, cutely stupid woman. She passed through into a mysterious world and into the body of a trash young girl that everyone brutally reviled. Idiot and ugly, they don’t know that she was a Seven Element Elementalist with a Dual Cultivation Body. Various Spirit Beasts and Devil Beasts would rush to make a contract with her. See how she plays the world at the ends of her fingertips and exact revenge on the people who made her life a living hell.

Just who is this bewitching villain?

Hey! I’m going to talk to you about something! I am not just a bewitching villain, I am your soon to be husband!

The woman roared: Who wants you to be my husband?

Bewitching Villain: Well, if you don’t want me to become your future husband, then why don’t you become my future wife instead?”

This world is nothing without you. How could you leave me alone? Even if you reincarnate a millennium later, I will still be here waiting for you.

He was a tyrannical emperor born between the heavens and earth thousands of years ago. He did not hesitate to defy the world, to turn the world upside down, to expend his Spiritual Force only for her to reincarnate.

He was the Demon Emperor born between the heavens and earth, Just so she can reincarnate, he fell into a deep, profound slumber, “Little Zi’er, as long as you live, even if it costs my life, I will do it for you. Just to know that you live, would make my wounded heart……whole.”

- Description from Novelupdates

A hundred years ago, he was a genius of the Emperor's Domain who made even the God of War wary. He was unparalleled in both alchemy and martial arts. However, his friend betrayed him, leading to his untimely demise.A hundred years later, he rose from being a dandy young master, starting everything anew. From then on, the world witnessed the emergence of an extraordinary genius.“Boss is even more ferocious than a wild beast!”“Boss values friendship above all else. He is forever my best friend!”“Kevin, no matter how long it takes, I'll wait for you. I won't marry anyone else!”“Don't ever provoke that man of calamity. That guy is a beast!”“I am Kevin Anderson, who dares to defy me?!”

Ye Yun traveled to the Star Railway World and obtained the “Shop of All Worlds” system.Through this system, Ye Yun can sell items from across different worlds and invite guests from other realms to visit the Star Rail.His first encounter is with a space traveler named Stelle, and soon... many new experiences begin to unfold.Each time the shop's turnover reaches a certain amount, Ye Yun receives a reward from the system.