One Piece: Path to Power - Chapter 15: [] Red Metal, Black Shadows

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

After the judgment, the ire of God was revealed with the words: “Be cast unto eternal damnation!” And so it was that humans and jinns alike found themselves scattered across the Nine Circles of Hell, left to burn and suffer for eternity. Until after an untold number of eternities, an angelic voice called out, announcing God's decree: “One soul shall earn the chance to return to grace.” Humans and jinns found a shimmering screen appear before their eyes, tallying their sins and something called 'Fragments of Divinity'. “Cleanse away your sins,” said the voice. “Do what must be done!”Now, a human known as Wretched Nameless One—the only human found in the Ninth Circle—sets out on a journey to claim his spot in Heaven, tasked with fighting hellish monsters and devilish hell-dwellers competing to return to grace. Will he escape eternal torment and rise to grace or return to the everlasting cleansing fire once more?

Leguna. An orphan. His life changed dramatically the day the thieves’ guild happened to select him for training and development. He would go on to become lifelong friends with a loyal mercenary, the partner of a beautiful magus who was cold as ice, the savior of a mysterious disfigured dark-elf girl with a talent for the Breath, and the unlikely caregiver for a feisty young maiden. And yet, who would be with him to the very end?

The eldest daughter of Hou Di of Anding, who fled for her life, was concussed by someone slapped with a brick. When she woke up, she became the young daughter-in-law of a farm family.

There are many crises outside, and I am afraid that my life will not be guaranteed. Xi Yao feels that the vest cannot be dropped, nor can it be dropped in death…

In order not to be driven away, Xi Yao, who worked hard, accidentally became the group pet of the Zhou family, and everyone protected her.

Zhou Rong, who had never seen a bride since he was a child, was blackmailed by his father-in-law. He even exploited the money to take the exam. He married a sick wife. OK, absolutely impossible.

In order to express his position, Zhou Rong spoke coldly and ruthlessly, and then found that his little daughter-in-law treated the family’s milk baby better than him…

He thinks that his daughter-in-law is very good, and thinks that he can still work hard…

- Description from novelbuddy