Shadow Monarch's Requiem - Chapter 61: Threads of the Eternal Spiral

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

Song Zhong’s parents were the geniuses of the sect. But they were apparently killed while on a mission when he was barely 6. As he apparently did not excel in any of the 5 elements, in fact, all 5 elements are in balance in his body. Thus, our fatty is deemed to be trash and does not deserve the respect his parents had.

He is allowed to have one task, to collect garbage of the sect until he reaches the initial test-age where he has to prove that he is worthy to stay in the sect.

Our fatty has no choice but to cultivate the only heritage his parents gave him. A mysterious black pearl.

Unfortunately for him, this pearl seems to be only useful for… collecting garbage…

- Description from Novelupdates

The universe gave me another chance after life screwed me over. My second life brought me to a world where people breath fire, walk on water and some people with special eyes that give them bullsh#t powers. Well, I got the gamer ability. And I’m gonna use it to stand at the peak. But it's gonna be a long journey before I reach that summit. SI - MC.

Meet Sora and Shiro, a brother and sister who are loser shut-ins by normal standards. But these siblings don’t play by the rules of the “crappy game” that is average society. In the world of gaming, this genius pair reigns supreme, their invincible avatar so famous that it’s the stuff of urban legend. So when a young boy calling himself God summons the siblings to a fantastic alternate world where war is forbidden and all conflicts–even those involving national borders–are decided by the outcome of games, Sora and Shiro have pretty much hit the jackpot. But they soon learn that in this world, humanity, cornered and outnumbered by other species, survives within the confines of one city. Will Sora and Shiro, two failures at life, turn out to be the saviors of mankind? Let the games begin…