Angry Harry and the Seven by Sinyk - Chapter 86 - Eighty Six - Heading to NEWTs

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

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.

- Description from Novelupdates

He possesses unparalleled martial arts, all the great Young Masters are under his feet!He has heaven-defying medical skills, even the dead can be brought back to life!He also has a pair of Supreme Quality Divine Eyes, capable of fighting, hypnotizing, you name it!

A regular senior high school student accidentally obtained a Supernatural Ability System from three thousand years in the future. Lin Tian could exchange for all kinds of superpowers within the Supernatural Ability System. Exams? I have a photographic memory! You’re amazing? I transform into a Saiyan! An awesome life doesn’t need explanations!