Naze Boku no Sekai wo Dare mo Oboeteinainoka? - Volume 1 Chapter 2

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

What happens when you run really low on luck and get intimately entangled with a perfect on the outside and ruthless on the inside man? Well, sparks fly but not the kind you imagine in cute fluffy love stories.

Already an orphan, Xia Xi Jin has been struggling through these past years to make a bare minimum living. She is a struggling writer who seems to have a careless attitude towards life and a dirty appearance. However, after a one-night stand with President Xi Mu Tian everything changes.

Being forced into a marriage Xi Jin tries to adapt to her new life, new friends and begins to unravel the mysteries of her past and that of her husband. Can love bloom in this penned down marriage of convenience. Read to know!

- Description from Novelupdates

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

In an inaccessible village, there were a few houses on the hillside.

People from far away were attracted here and the mountain road was crowded with luxury cars, because, in this town, there was a young man with incredible medical skills who could cure all kinds of illnesses!

- Description from Novelupdates