Naruto: Reborn as Orochimaru - Chapter 336

Mark is a genius military weapon designer who was kidnapped by a mafia gang after refusing to work for them.
They forced him to design unique weapons for five years, until one day he successfully escaped only to get shot by his trusted comrades.
*Ding! You awakened a weapon system.
When he opened his eyes, he was in a different body and in a different world.
"You want to kill a wild boar without being detected? Forget about bow and arrow. Here, I present you this sniper rifle."
"You want to kill a horde of goblins from the sky? Forget about those flying carpets and brooms. Here, I present you the fighter jet."
"You want to kill a dragon? Forget about taking the help of the S-class adventure team. Here, I present you a nuclear bomb."
Join Mark Spencer/ Lu Zhen as he brings the whole world to its knees with the help of his weapon system.
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Note: Author isn't born in an English-speaking nation and has no editor either. So, please be understanding if there are any grammatical errors.
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He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

- Description from Novelupdates

【Female Lead’s pleasure-seeking + high IQ palace intrigue + female lead schemes against the entire harem + crazy villain personality】

Song Zhao has always been a woman who spares no means to achieve her goals, and at the same time she lives more clearly than anyone else.

From the moment she knew she was chosen by Xiao Jingheng to enter the palace as a concubine, her goal has been very clear:

“I entered the palace just to become the Empress, why else? To go cook for someone else?”

Therefore, as soon as she entered the palace, relying on her beauty and wisdom, she took steps to win the monarch’s heart, and played with the six palaces in her palm.

Anyway, the women in this harem, for the sake of family, for their own favor and honor, there are none who do not compete and snatch,

Since this is the case, what she has to do is take preemptive action,

Make herself a villain, defeat everyone, and successfully ascend to the Phoenix throne.

At first, Emperor Xiao Jingheng favored Song Zhao, just because of her unparalleled beauty in the harem.

The favored concubines often become arrogant due to favoritism, but Song Zhao was different.

Not only did she not compete for favor, she always advised Xiao Jingheng to share his rain and dew evenly, and often go to other concubines.

Her attitude towards him in her daily life was also visibly perfunctory.

This inevitably made Xiao Jingheng suspicious, feeling that Song Zhao was not truly sincere towards him.

The innate desire to conquer that emperors possess made him secretly determine to completely possess this woman:

Not just her person, but her heart as well.

The process of conquering Song Zhao was like climbing the highest mountain in the world.

It’s just that Xiao Jingheng never thought:

When he climbed Mount Song Zhao, he willingly climbed it for a lifetime.

【No transmigration, no rebirth, no golden finger】

[Double wear + era group pet + ability + space]

Jiang Zhiying, the female overlord of the last days, transmigrated into the villain female supporting role who kept dying and ended miserably in the era text.

My father is the future boss, but my mother is the boss’ best ex-wife. Grandpa’s family doted on her, but she was the villain in the book, and she would not end well in the future.

There is also a scheming heroine who always wants to rob her father and the space jade pendant~

Jiang Zhiying said that this is not a problem. With space and abilities in hand, she can roam freely.

and many more! How did the mortal enemy pass through!

Jiang Zhiying decided to attack first, who would have known that the eyes of her nemesis were getting more and more wrong!

PS: 1V1 Shuangjie sweet pet, the male and female protagonists are big brothers.

- Description from novelbuddy