Playboy Cultivator in the Apocalypse - Chapter 261 "[Y]Our Physical-Slash-Plastic Surgeon."

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

“Are you good at Acting? Singing? Dancing?”“Are you handsome?”“Do you have the talent?”“How about popularity?”For someone who has been in the showbiz industry for half of his life, Park Juwon could confidently answer that he had it all.From countless awards, fans, and money, he was a star loved by everyone — even the most sought-after celebrities and idols.However, in a twist of fate, Park Juwon suddenly encountered an accident that would change his almost perfect life.When he thought that it was his end, he suddenly found himself transmigrated in the body of Nam Minjae, a rookie actor, who had been dreaming of hitting the big stage since he was a child.[System Integrating…][Ding!][System: Become a Legendary Superstar!]

When Roland crossed Middle-earth with the Lord of the Rings system, Gandalf was organizing an expedition, the king under the mountain still did not return to his throne, the Hobbit’s adventure had not yet begun, and the world was still shrouded in shadows…

- Description from novelbuddy

Forcefully brought over from the modern world to an alternate world, Wang Chong felt detached and lived his life aimlessly.

However, when calamity struck and he saw his family and everything he cared for being torn apart, he felt regret.

Thus, he stood up and eventually became the Grand Marshal of the Central Plains, leading an army against those who seek to destroy all he cherished.

Yet, despite all his efforts, it was already too late to reverse destiny.

But before his death, a shooting star, the same one which brought him to this world, appeared before him, and he was given another chance to undo his regrets.