Villain: Ultimate Mutation System in the Alternate World - Chapter 440 The Key

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

The Fake Life of a Villainess: Reincarnated as a villainous noblewoman, you become an experience bag for the protagonist on their journey. You are the target of the maid’s revenge, your half-sister takes away everything that belongs to you, and the grand princess who cared for you for many years finally loses hope and abandons you. The Real Life of a Villainess: You clean up the mess left behind by the protagonist when they disappear. And in their place, you teach her that as a maid, she shouldn’t always be thinking about…

The Saint: “Bro Yi, Can you make me your servant?

Yi Feng: “What? A Saint like you wants to become my servant. Do you have any shame?

The Saint: “My sister is very beautiful”

Yi Feng (His eyes is glowing): Little Saint, you can follow me from now. All right, remember to tell your sister to come!

The King: “Yi Feng! Your bastard, what are you doing?

Yi Feng: My bad! My bad! My king, I just want to stroll in this harem a little bit. Who knows those girls have been following me like that?

- Description from Novelupdates

In her last life, Jiang Changning discovered that she was a fake daughter when the real daughter she had never met came to meet the family. Because of Jiang Luojin’s schemes, everyone’s treatment towards her in Hou’s mansion turned bad.

Mother Jiang: You are the one who caused my A Luo to suffer so much!

Brother: A Luo is your younger sister, what’s wrong with leaving the marriage to her? You owe her all this!

Fiance: The only one I love in my heart is A Luo, and it’s all because of your wishful thinking, Jiang Changning, you will never be a humble person!

The betrayed Jiang Changning died on the day Jiang Luo got married.

Once she woke up, she found that she was back in time when Jiang Luo came to

introduce herself. And she suddenly can hear the conversation between Jiang Luo and the “system”.

The other party has been robbing her luck through this system!

The only thing that can counterattack this is the Banquet King who saved her in her previous life!

So…

Banquet King: What are you doing? Stop hugging my thigh!!!

Jiang Changning: It’s just… very comfortable!

- Description from Novelupdates