I am the Demon king, but why do the Goddesses favor me? - Chapter 20: Favor from a friend’s sister

Traversing into another world, Zhang Xuan finds himself becoming an honorable teacher.

Along with his transcension, 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 weaknesses will be automatically compiled in the library.

Thus, he becomes formidable.

“Emperor Zhuoyang, why do you detest wearing your underwear so much? As an emperor, can’t you pay a little more attention to your image?”

“Fairy Linglong, you can always look for me if you find yourself unable to sleep at night. I am skilled in lullabies!”

“And you, Demon Lord Qiankun! Can you cut down on the garlic? Are you trying to kill me with that stench?”

This is an incredible story about teachers and students, grooming and guiding the greatest experts in the world!

- Description from Novelupdates

A hundred centuries ago, Daoist Jing Yuan died from lightning. A hundred centuries later, he comes back to life, but discovers that the stars have shifted and the world has transformed by leaps and bounds.

Marketplace: Selling herbs for 10 coppers each, alleviates fevers and detoxifies, reduces swelling and relieves pain.

Jing Yuan: Isn’t this the main precious herb used for Foundation Establishment Pills?

Auction house: Advanced level cultivation method starting at 30,000 spirit-stones!

Jing Yuan: Isn’t this the trashiest cultivation method you could find anywhere on the streets?

Art gallery: “The 100 Influential Figures of the Cultivation World”

Jing Yuan: Aren’t these my good friends A, B, C, D and old enemies 1, 2, 3, 4?

Bookstore: “Jing Yuan: A Biography“, “Memoirs of Jing Yuan“, “An Intro to Daoist-Master Jing Yuan’s Legendary Life“, “Honored Master Jing Yuan Teaches You How to Guide Qi into the Body“, “The Seven Habits of Founder Jing Yuan”

Jing Yuan: ?? Isn’t this me? Wait, when did I gain seven habits?

The companions he once journeyed with have long passed away, and not even 1/10 of the formerly glorious cultivation legacies remain. Yet, in this world without him, his legend still exists. This kind of feeling, is a bit embarrassing…

- Description from Novelupdates

On a harsh rainy day, a high school student without any particular special skills, Usato Ken, got dragged into another world summoning with two others; a good-looking guy and a beautiful girl, both of whom he strangely started getting along with just today. As an especially talentless individual that didn’t stand out, he thought that the others would treat him like he was useless. However, they were unexpectedly kind.———“Maybe things will be fine?”Usato who found hope in another world thought that, but the reality was different. He had a certain magic talent hidden within him and he was forced to fall into hell under the name of “training”.

“I don’t care what Thanos’ ideals are, and I don’t care what the consequences of having too many creatures in this universe will do, as long as he doesn’t ruin my business with that damn Infinity Glove!” – Kahn Ponte

Once he traveled to the world of American comics, Kahn had the golden finger to trade all worlds.

At this point, the name of Boss Kahn not only resounded in the Americas of the Marvel Universe, but his influence spread to all the worlds!

PS: There are many follow-up worlds such as Marvel, Naruto, Harry Potter, One Punch Man, Black Robe Pickets, Dragon Ball, Pirates, etc. You can decide…

- Description from novelbuddy