MTL - The Trainer’s Surname is Uchiha - Chapter 309 spot

Zhang Xuan traverses into a foreign world and becomes an honorable teacher. A mysterious library appears in his mind. As long as it is something he has seen, regardless of whether it is a human or an object, a book on its weakness would be automatically compiled. Thus, he became formidable.

“Emperor Haotian, why don’t you like to wear underwear? To think that you’re still an emperor, can you pay more attention to your image?”

“Fairy Linglong, if you continue to suffer from insomnia, you can always look for me. I have a way with lullabies!”

“You as well, Qiankun Demon Lord, can you cut down on the garlic? Do you want to stink me to death?”

…

This is an incredible story about the heritage between teacher and students, cultivating and guiding the world’s strongest experts.

I made a deal with the Devil.Free of Charge.

I was always alone, throughout my life. People looked at me with disdain because I was an orphan without parents. Constant abuse followed me everywhere. I lost touch with how to interact with others.With each passing day, I grew more distant from my emotions until I scarcely recognized myself. The warmth of family and friendship felt foreign to me.In the end, I snapped, and I became what I hated the most... something that wasn't human anymore... something that shouldn't have been born...That was until I was reincarnated as Lucas Nightstar, granted a second chance at a happy life with a loving family. Now, I would do anything to protect them, live my life to the fullest, and was willing to destroy anyone who dares stand in my way of my newfound peace. Yet...Little did I know what fate had in store for me.

An ordinary medical student suddenly got the blessing of the system and could directly see the patient’s health! Since then, treating illnesses and saving lives has become commonplace, and he has also become a legend in the medical field.

- Description from novelbuddy