My Civil Servant Life Reborn in the Strange World - Chapter 44.

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

A young man with an extraordinary mind is off on an exciting adventure when he mysteriously wakes up in the body of a feeble slave-guy in a different, rich in quirks world.

The main character, a selfish jerk, would use extreme means to achieve his goals. However, he never allows his base instincts to overrule his sense of decency. He always pays back both good and bad deeds.

Will his (terrible/excellent) mentality help him make a fresh start? Will he get through misfortunes and hardships of the new world?

As a man who had lived for 20 something years and had always considered himself as a straight man, he woke up one day and found himself possessed by a stupid and cute system. Moreover, it was a gong-shou cultivating system?! Let’s see how a shou with raised hackles evolves into a (pseudo)queen shou, incidentally with a story of a hidden loyal dog gong.

- Description from Novelupdates

Trying to drown her sorrow with alcohol after her boyfriend hooked up with her sister, Ning Qing ran into the rich and powerful Lu Shaoming in a bar. “I need a wife,” Lu said, and the two got their marriage license.

Soon, she who became a pop star won many pretty boys’ hearts. Singlehandedly, he got rid of all her potential flings and acted innocent. Ning Qing bristled, “Lu Shaoming, what happened to staying out of each other’s private life which we talked about?” Turning the light out, he came over her and whispered, “Now our priority is to make a baby.”