Turns Out To Be a Genius Duelist - Chapter 61

She transmigrated into an orphan, thinking that she still had her boyfriend with her, yet in an instant, her world crashed. For the position of heir, he said, “Yao’er, why don’t you become my second wife?” A sentence destroyed her wishful thinking, causing her to end their relationship of two lives cruelly. Leaving the hustle bustle, she then lived in a forest, wanting to find an honest man to spend the rest of her life with. But not long after getting married, she realized that the honest man she married was a bit dishonest.

“Are you not an ordinary hunter?” she stared at the man pretending to be innocent in a furious manner. Is the ending going to be this way? Of course not, the story had just begun from the moment she changed her future.

- Description from Novelupdates

Crossing to One Piece world, he became Roger’s younger brother.

In the Dragon Abyss Empire, nestled within Clear Water Town, young Jiaang Lin awakens from a brutal beating by his cousin Jiaang Ren, only to discover he has been reborn into his younger self. Once a mocked disciple with blocked meridians, Jiaang Lin had risen to greatness in his past life as a prodigious warrior and Pill Saint. Now, with a second chance, he vows to protect his loved ones and conquer his enemies. How will Jiaang Lin change his destiny and ascend to the pinnacle of martial prowess once more?

A young man who had longed for stories of good and evil since childhood lost his life in a tragic accident and was reincarnated as a boy named Chrono Mak in another world.

He learned that in this other world, there is magic and witchcraft, and depending on how you train them, you can become as strong as you want to be, so he decided to become the strongest demon king in order to recreate the story of justice and evil he once dreamed of.