Naruto: The Outsider's Resolve - Chapter 1.27 (027):

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

Like many medical students, Li Yong just succeeds finding an intern job in hospital with great efforts and yet still is going broke. He even has no money to pay the rent. However, by coincidence, he acquires a magic power of clairvoyant vision and rich experience from 80 medical experts, all because of a pendant passed down from his parents. With the magic power, he can see through human’s skin and finds out any illness beneath without any physical touching or examination! Since then, his life has been tremendously changed. Love, fame and wealth become within reach for him…

- Description from Novelupdates

This stands at the forefront of strategy guides to Life (a shitty video game)!

Leric was a top herbalist and a qualified doctor, but he was already in his twilight years. He had spent his entire life researching herbs and the human body. And because of this reason, he didn’t experience the joys of life. However, a piece of information written in an old book changed his life.

It was a chance at rebirth!

With his knowledge as an herbalist and as a doctor, join Leric as he begins a new life in Falkur, a world ruled by powerhouses called Espers!