Accidentally Yours, Mr. Stranger - Chapter 1: Vow

Crossing into the world of Naruto, and acquiring the One Piece system, with all the powers of the world of One Piece, swordsmanship, devil fruit, domineering.

-Do you think that your fire is very powerful? I have the burning fruit.

-Do you think that your thunder is very powerful? I have a thundering fruit.

-Do you think that your otter is very powerful? I have the frozen fruit.

-Did you said you want to die? Don’t worry, I also have a nickname: Death Doctor.

- Description from Novelupdates

She is intelligent, beautiful, calm, and professional. As the youngest chief forensic investigator for the past few years, her future was very bright. All of this, however, changed with a bizarre time-travel.

A college student, accidentally reborn into the world of Naruto, becomes a member of Uchiha who is destined to be exterminated.

In this cruel ninja world, in the face of endless wars and exclusion from the village, what will Uchiha Qing do?

PS: Later in the book, the protagonist will develop a system of immortal cultivation. Cultivating Immortals in the Ninja World, have you seen it?

- Description from novelbuddy

Quietly crossed over to an ancient peasant girl who could be deceived by everyone.

She was sold on the day she crossed the road, well, she took the betrayal by hand and stepped on the scumbag. She controls her freedom, she decides her marriage, she decides her future, and no one wants to point fingers at her!

Quietly and domineeringly, he patted his deed to the man next to him: “Take it away, I will be yours from now on.”

Man: “…”

The man dotes on her very much, she does whatever she wants, and abuses all kinds of scum with her. The two of them lived extremely well in their childhood.

It’s the identity of a man…

(Shuangwen, strong men and strong women, 1v1 favorite text)

- Description from novelbuddy