Villain's transmigration: Breaking every heroine into a Yandere - Chapter 1: Transmigration

“There is a scar on my stomach which is hard to heal over the years”..

Ning Yu is forced to marry Song Bai Lao, whom he was deeply entangled as a teenager. Because of the misunderstanding they had before, Song Bai Lao keeps bad-mouthing Ning Yu to the point that he even becomes Ning Yu’s nightmare. As they get together, Song Bai Lao finally confronts his feelings for Ning Yu, and Ning Yu finally sees his true feelings and sincerity.

- Description from Novelupdates

Ethan never expected to wake up inside the game he once played.Tower of Ascension, a world where every adventurer fights their way up through endless floors, each more brutal than the last.Here, skills define everything.But all skills are capped at Level 100. No one can break that limit.Except him.When Ethan transmigrated, his system glitched.His skills could rise infinitely.[Congratulations, your skill level-up][Sword Swing Lv. 999+ — A single slash could shatter a fortress.][Fireball Lv. 999+ — An army reduced to ash in a breath.]What began as a bug soon turned him into the tower’s greatest anomaly.Guilds will hunt him. Kings will fear him.Even the gods guarding the highest floors will see him as a threat to erase.But Ethan doesn’t care.If the world insists he’s an error, then he’ll climb to the very top and prove that even the Tower itself can’t stop him.

The heroine has no cp
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Yi Linglong, no one has seen her face, no one knows her gender, but there are rumors in the rivers and lakes that this is a man who looks like a good woman.
His martial arts are strong, cold as frost, and a dagger seems to be able to kill all living beings in the world.
He kills one person in ten steps and does not stay for thousands of miles, but he has a maverick that is different from other Jianghu people.
His story can be said for three days and three nights. As a unique existence among assassins, he has become a legend. …
“I told you about the deeds of my male god, did you hear it?”
“I heard, I heard. Is there anything else? I’m going to collect sauerkraut.” Hua Rongyue waved her hand and turned away.
“Hey? Why is it not like you? Is it interesting, cooperate with me anyway, what is my male god doing now? You can figure it out, let me figure it out.”
Hua Rongyue, “…”
——If my calculation is correct, your male god estimates that 80%, maybe, is now accumulating sauerkraut in a small medical hall…

Content tags: Jianghu grievances, disguise, misunderstandings, women disguised as men
Search keywords: Protagonist: Hua Rongyue (Yi Linglong) ┃ Supporting role: People in the Jianghu ┃ Others: Hua Rongyue, Yi Linglong
One-sentence introduction: rushing through the rivers and lakes~

- Description from novelbuddy

Jack regarded himself as the greatest failure in the world; a broke unemployed law student who does nothing but laze around all day.This was until he was chosen by the Urban System.[Urban System Activated.]With its activation, the system elevated him beyond ordinary, gifting him the kind of video-game skills only protagonists possessed… and exposing the world’s real, long-buried truth.In reality, no human in the world was actually human. Everyone were descendants of fantasy races, each possessing strange powers and abilities that was supposed to exist only in myths and legends.Moreover, with the activation of the system, he had inherited the fate of the previous user who live the truth of the world all his life.Now Jack must confront that destiny, facing the dangers of a world far more fantastical… and far more perilous… than he ever imagined.