I am Villain Cultivator - Chapter 7: Arrival of Elder Alvin.

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.

This is a story of an ordinary boy gaining unusual powers from his nightmares… It all started when Lin Sheng experienced something strange on what he thought was just another normal day. He begins to have recurring dreams that lead him on an incredible journey of discovery as he encounters spine-chilling monsters and elusive secrets.

Rebirth in 2009, but this rebirth posture seems a bit wrong.

In this life, the family is wealthy, Wang Ye is addicted to the Internet, and can stay up all night the day before the college entrance examination.

Helpless, Father Wang decided to send Wang Ye to serve as a soldier in the army to quit Internet addiction.

two years later…

When Dad Wang made a video call with his son and was about to ask him when he would be discharged from the army and come back to inherit the family business.

Wang Ye, who was dressed in the uniform of an officer, directly surprised Father Wang.

“Dad, I’m going to be a general in the army all the time, so what, in terms of family business, why don’t you and mom consider having another one?”

……

- Description from novelbuddy

There was neither Fighting Energy nor magic, only tamed beasts that had reached the pinnacle of evolution!After transmigration, Chen Mo awakened the talent of the Entry Training Manual, which allowed him to bestow various entries on spiritual beasts or himself by completing challenges. As a result, one after another, scientifically impossible spiritual beasts were born.[Lord of Thunder and Lightning·King of Thunder·Hardworking· Fox of Reincarnation] Nine-Tailed Celestial Fox with Super Electromagnetic Cannon.[White Angel·Battlefield Doctor·Ministering·Best Support] Great-Sea Whale, the Sky Fortress.[Pastry Master·Master of Culinary Arts·Gatling·Marksman] Spirit of Glutinous Rice Balls.[Late-Night Delivery Guy·Night Judge·Soul Switcher·Wish Merchant] Bringer of Misfortune from Urban Legends.[National Beauty·Enchanting Beauty·Idol of All·Seductive Temptress] Personal Maid, the Queen of Succubi.From then on, Chen Mo embarked on the advanced path of becoming a beast-taming master!