Military Lord of the White Coats - Chapter 6

A man who was once called the world’s strongest agent ended up becoming a teacher after his retirement, to train a new generation of agents. After many years of training his disciples, he was killed at the age of 60 by a secret organization’s ruse and was reincarnated in another world with his memories intact. Though he was surprised by the existence of magic and the strange species in that world, he quickly adapted to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his rigorous discipline, in order to reach his goal: Resume his career as a teacher which he left halfway through in his previous life. This is the story of a man, who, based on the memories and the experiences of his previous life, became a teacher who travels through the world with his students.

Lu Chen had a dream, an incredibly long dream.. The dream world was familiar yet at the same time unfamiliar. Singer, actor, freelance writer, he actually went through three sections of different lives in a dream world! When he woke up, Lu Chen thus embarked on a bright road of becoming a perfect superstar!

- Description from Novelupdates

Ye Fan traveled through the Naruto world and became a member of the Uchiha family, but he was cast aside by everyone because he didn’t write the wheel eye, and became the god of plague in Konoha Village…

Ye Fan is very confused, I’m a Saiyan, you say I have no bloodline limit?

At the age of three, he fought Uchiha Itachi, and at the age of thirteen, he was invincible to the entire ninja world!

Five Shadows: Crazy!

Do you call this garbage without the boundaries of blood?

Uchiha Madara: My Uchiha clan finally has a master who swept the ninja world, Haxi hot mom tremble!

The Otsutsugi Clan: Damn, who blew up my Moon Moon? !

Six Paths Immortal: It seems that our cultivation path is wrong, Ye Fan’s cultivation method is correct!

(The introduction is weak, please see the text…)

- Description from novelbuddy

A surgeon accidentally got the blessings of a system, shocked the medical industry, and rejuvenated countless people.

- Description from Novelupdates