Avoid Yandere Constellation - Chapter 138:

Qiao Zhenzhen spent a lifetime, only to later realise that she was the true heroine of a novel. According to the original plot, her life was supposed to be smooth sailing and blissful. But the envious transmigrated second female lead played her cards step by step, and took everything away from her!

After experiencing the divorce of her parents, and miserably failing the college entrance examination, she gets kidnapped along with her little follower of a male lead, Chi Shen. In the end, she came out as the only survivor.

Everyone believed that this was a blessing in disguise, not only was her life saved, but the pervert stalking her for the last three years was also gone! A freak like Chi Shen, who had a weird and eccentric personality, always stank of fish and grease, was better off dead. Everyone said that she ought to be grateful, but none of them knew he died protecting her.
Before he took his last breath, his dying words were-

“Don’t be afraid of me.”

That sentence, mixed with the smell of greasy fish and blood, flashed in her dreams every night for the next decade.

Reborn back into the senior year of her highschool, she walked to the youth in the corner, and in front of everyone’s eyes-

“Don’t hideaway in the dark if you don’t want me to be afraid of you.” The youth pursed his lips, his pale face steadily losing color.

Qiao Zhenzhen smiled: Be nice to me, and I shall allow you to stalk~

- Description from Novelupdates

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

Nagasawa crossed to Naruto Universe and was bound to Konohagakure.If Konoha is severely damaged and destroyed, Nagasawa’s lifespan will be reduced.He panicked at the thought of the upcoming Nine-Tailed Demon Fox's attack , and the thought of Konoha getting destroyed left him in despair.Fortunately, while bound to Konoha, he can obtain templates of powerful characters.At the beginning, He got the Whitebeard template! Since it's the Whitebeard from the Summit War of Marineford, he can use Tremor-Tremor Fruit's ability and Haki.Facing the Tailed Beast Ball, which terrorized Konoha Shinobi, Nagasawa leaped and shattered the Tailed Beast Ball with one punch!

In a world where darkness was always a step ahead further and the light was late and bleaker, “Grim Dark Online” has become a well acclaimed VRMMORPG, drawing players into its thrilling depths. But when hackers breach the game's firewall, players including Kenji find themselves trapped in this virtual reality after an abrupt system shutdown.As chaos unfolds, the World Soul Barrier collapses, unleashing a horde of demon gods and their minions upon the realm. The Cult of Black Snake, the Silent Nightstalkers assassins, and the slaughter of the Immortals threaten their very fabric of existence. With the World Soul and the World Tree corrupted, Kenji must navigate this perilous landscape armed only with his last playthrough’s knowledge as a Warrior and several other Classes.Previously, he had conquered the God of Death, a necromancer villain, and earned the title of God of Slaughter. But now, faced with the onset of devastation, he is thrown back to the beginning of this nightmare.Desperate to reclaim his former power as a warrior, Kenji discovers that fate has other plans. Instead, he is bestowed the class of Necromancer—the very embodiment of his past fears. This transformation offers him an unexpected opportunity to rise above his previous limitations. With the unique ability to summon minions that mimic his battle instincts, Kenji possesses greater firepower and tactical versatility than ever before.Now, he must embrace his newfound abilities and confront the demon lords and gods that threaten to consume his world. As a warrior trapped in the body of a necromancer, Kenji’s journey is one of survival, adaptation, and redemption in a realm where darkness reigns. Will he harness the power of his newfound powers? Or will the very darkness succumb them all?