Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 2 - 2-2. Let's Learn Life Magic!

Crossing to One Piece world, he became Roger’s younger brother.

Mary was an only child. She came from an ordinary family and worked at a publishing house. She worked diligently every day but was always harassed by her manager.

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

As Wanzhu Corporation’s number one assistant, Lin Hui was, without a doubt, an incredibly outstanding individual.

The CEO trusted him. The employees relied on him. Their business partners appreciated him.

Lin Hui’s career was like a duck to water. However, he had been secretly in love with his boss for several years.

Just as he thought his life would continue like this forever, he and his boss accidentally…

Within Wanzhu, no one could say no to Assistant Lin. Not even the CEO.

- Description from Novelupdates