Shadow's Oath - Chapter 43

Tomokui Kanata has been reincarnated into the weakest race, goblin, and given a new name, Rou, after having undergone an unfortunate death. However goblin Rou has retained his previous life’s memories, an unusual evolution, as well as being blessed with ability to gain status boosts from eating.

The story unfolds the fate of a hidden village nestled deep within the Leaves , where the destiny of a group of mountain-top farmers takes a dramatic turn with the arrival of an injured monk and a rare mirror.Witness the journey of a simple family as they rise to eternal greatness.No cheats, pure love for family, and steady step-by-step evolution.A word of caution: If you're a lover of building tribes and cherishing beautiful family bonds, beware of reading this novel. It will leave you with a deep sense of melancholy once it ends.

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

There was a Senior Brother and a Junior Sister. One of them was transmigrated to this world and had cheats while the other was the reincarnation of a Great Emperor.