Toaru Majutsu no Index: Genesis Testament - Volume 3, Chapter 4: The Demon Lord’s Young — the_LIGHT.

Zou Liang, an otaku with a passionate interest in a fighting game came into a world governed by the beast tribes.

There the ones with high martial ability were respected.

Extreme beauties were a little silly.

This guy felt depressed. Such a crazy really could force a civilized people like him to turn crazy!

Scoundrel Zou began his unrestrained and destructive journey in the Beast God Continent.

Rules? There are no rules!

Principles? His actions defined the principles!

Occupations? Occupations were as unimportant as fleeting clouds. What he sought was omnipotence!

In a different world, Zou held the same passion.

This is a story of a nobody becoming the great conqueror—step by step—as a human, filled with touching emotions, explosive anger, and hot blood forever!

- Description from Novelupdates

She is an international ace agent,An amazing doctor, God of Assassination, However due to a box she accidentally rebirthed and became an ordinary junior high school student. Weak and incompetent, That scum woman wants to put her head into the toilet. The gambling father, borrowed a lot of money and now they are being chased by loan sharks for debt? There is also a group annoying people in her life. The reborned Yunxiao sneers: I want to know how to write the dead words! She returned from the wind, high-profile attack, if people dared to bully me, they are courting death!

After accidentally falling, she actually finds herself bound to a Second Female Lead Counter Attacking System!

That night, the delicate purple-eyed woman in a wedding dress sat on their bed as her husband observed her with a grin.

“So,” he drawled, his voice wicked and magnetic, “I can't see my wife's face even on my wedding night?”

“My lord has promised to fulfill my one wish,” the woman commented, securing the veil that covered the lower half of her face with slightly trembling hands.

He stared into her mysterious rare purple eyes. “May I ask, why such a wish?”

She stared back at him. “My lord might not like to see ugly things.”

He smirked and stepped towards her. “I never had a liking towards pretty things.”

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Seren, the infamous daughter of the witch, and Drayce, the ruthless and vicious son of the Devil.

No one had ever seen her face as the witches are meant to be ugly, but he was the one who never searched for beauty.

She was cursed to never fall in love, but he wished to be the only man she would ever love.

A cursed princess married off to the Devil's son to destroy his kingdom but the Devil's son had a different plan for her.

The secret of her birth will be revealed only to lead the way to unleash the hidden powers inside her which no one can control.

With the hidden dangers desiring her power, can Drayce and Seren protect one another or will the darkness swallow them whole?