Superhunt - Chapter 33: "Regional Mission Triggered"

Cui Heng was transmigrated to another world and the system told him that the new world he was in was a high-grade Xianxia world.

The constant mission is getting redemption.

Shuttle though various worlds to become a variety of scum men, do a little whitewashing and become a good man in the eyes of everyone.

Redeem those who are miserable, and let them live a happy life.

- Description from Novelupdates

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

In a supernatural world where secret forces are at play in the courts, Qi Xuansu, a seventh-rank Daoist priest, finds himself in a struggle to escape his fate as a pawn. The only way to do so is by completing missions and earning enough merit to buy back his freedom. But first, he must enhance his cultivation and climb the ranks of the Daoist Order. Follow Qi Xuansu as he unlocks his potential in his journey toward self-realization and liberation!