Itai no wa Iya nanode Bōgyo-Ryoku ni Kyokufuri Shitai to Omoimasu - Chapter 406

He is an undead who is devoid of all humanity, he is the one and only supreme overlord, he is a man who has severe mysophobia.

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

Michael didn't want to die. He didn't deserve to die. After a lost battle with cancer that started only a year after he retired, he'd lived what many people would call a full life, but it wasn't enough. He wanted more time. Time with his wife. Time with his kids. Time with his grandkids. When he found himself drawn toward the light, he fought his way away from it. Unfortunately, that didn't take him back to the life he wanted to live. Reincarnated in another world, Michael is forced to be a Penitent, a soldier in the country he was reborn into in order to pay a debt to society he owes for taking the life of the child whose body he inhabits. It's not the life he wants, but it's the only one he has.An Isekai with light litrpg elementsMC will gain powers similar to those of a paladinBook 1 spends a lot of time in a military academy. MC does not stay a child for very long.Story will be a slower pace than my others.MC may not be to everyone's taste. He feels guilt for his actions that may seem unreasonable and is very human. He will grow, but it will take time.

The tomatoes and potatoes are piled up in the warehouse, the dead horses are squeezing the milk, the vampires are carrying the watermelons, the succubuses are picking the eggplants, and the Lich King is quietly licking the ice cream…

The people who died in the crown pointed to the tribes:
Let the dead be born, and let the dead die!

(This book is based on the dungeon and the Warriors, Warcraft, heroes invincible, riding and cutting, and another million finished “Wasteland Ranch” character guarantee)

- Description from Uukanshu translation