My World Traveling System: The Harbinger of Death - Chapter 703 New Cosmic Power

I met the male lead in prison.

Yuki, a high school junior, dies heroically saving a stranger and is reincarnated in a fantasy world, where he discovers an extraordinary and unrivaled power.

Introduction One:When Jiang Shouzhong finally resolved to help his wife vanquish demons and uphold the righteous path of the human world, he saw nothing but piles of white bones. Standing atop the battlefield of Asuras, the demoness was none other than his former wife.——Introduction Two:Above the temple halls, beneath the rivers and lakes, where the world of humans and demons divide, along the righteous and evil paths, countless charismatic individuals weave lives full of fireworks, unable to exhaust the tales of snow, moon, wind, and flowers.Kings and generals, peddlers and pawnbrokers, scholars and swordsmen, fiends and phantoms, they are all but pages in a book—each of varying thickness, some with twists and turns, others dull and ordinary, filled with ups and downs, joy and sorrow, or a mix of good and evil, with causes and effects unending.And the book of Jiang Shouzhong's life is undoubtedly the most captivating of all.——

Overnight, Tangning became a big slave owner in the southern United States with three large plantations and hundreds of black slaves who could be driven at will.

Tangning was very satisfied with the result of such a time-travel, but then he sadly discovered that he could only enjoy three years of such a good life, because three years later would be the “Civil War”, what should he do after this?

- Description from novelbuddy