On Our Wedding Night, I Discovered the Crown Prince's Hidden Illness - Chapter 257 - : Administering Medicine with a Kiss

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

After picking up a phone on the streets, Feng Yuchen was sent to the world of High School of the Dead. He, along with 100 people, have to travel through various worlds, fight and solve quests in order to survive.

Whoever dies in that world, would be teleported back to the real world without memories of what happened before and die in an accident one year later.

- Description from Novelupdates

Ding—Congratulations on unlocking the hidden profession “Teacher”.Ding—Congratulations on acquiring three SSS talents:“Divine Library”: As a teacher, your being harbors a Divine Library, granting you the ability to see the unseen about individuals and objects alike, be it strengths or weaknesses. Furthermore, you have the capability to amend these shortcomings.“Get 1st student”: As a teacher, you're entitled to mentor x number of apprentices (x increases as you level up), establishing a bond that allows you to monitor their loyalty.“Pass on the Torch”: Your role as a teacher entails not only imparting knowledge but nurturing souls. Sharing skills or bestowing gifts upon your apprentices could lead to unexpected rewards, courtesy of a probabilistic system return....The world as we know it has been thrown into chaos, with the lines between game and reality blurring.Mankind has stepped into the age of career transformation.With monsters on the loose, the emergence of dungeons, hidden realms, and instances marks an era of both peril and potential.Survival dictates that humans embrace this new calling, striving for power and progression.Upon his arrival at the age of eighteen, Alex Watson is gifted with the extraordinary “Divine Library System”!Thus begins the meteoric rise of Alex Watson!He sets out to teach, to mentor, to elevate the elite, and to share his wisdom with the world.

Cho Kang-hyuk, the owner of a large fitness center, woke up to find himself a young disciple at Shaolin Temple.