The Billionaire's Forgotten Wife - Chapter 76: Silent War

Traveling through the world of Naruto, he is just a four-year-old boy who has no talent, no family, no blood, and no tailed beast.

Unexpectedly, after completing the Jain test, the system suddenly awakened.

Since then, he has drawn the glittering fruit, the shaking fruit, the dragon-killing magic crystal of fire, the magic eye of death, Geass, the blood of the ancestor giant, the eye of reincarnation, the eternal kaleidoscope writing wheel eye…

Also, Demon Sword Muramasa, Death Note, Longinus Spear, Godzilla, Zanpakutō*Kyoka Suizuki, Zanpakutō*River Blade, Natural Teeth…

- Description from novelbuddy

The strongest Demon Lord dies, and reincarnates as a human. Not only that, he because of various incidents turns into the hero’s best friend.

Follow his journey as he tries to help the hero escape his fate, and on the sideline to conquer the continent while he’s at it.

Hello, my name is Bologue Lazarus, a debtor.The wound on Bologue's face is healing at an observable speed. The blood remaining on his face flows back, and the skin is reattached, as if time is reversing.Faced with the terrified dying demon, he whispered.This is my “blessing”, the “debt” I owe.Sixty-six years ago, with the end of the Scorched Earth Fury, Opus of Oath City rose from the ruins of the Holy City.Sixty-six years later, the Kagader Empire and Rhine Alliance, two colossal entities spanning the continent, are plotting another all-consuming war.Order Bureau, King's Secret Sword, Order of Truth, Corrupted Sect, All Secrets Order... existences hidden in the shadows of history, trying to join this grand celebration.Under the curtain, the devils enjoy the agony of mortals, taste the values offered, manipulate fate, and bestow curses and blessings.Gazing at the mortals who were originally kindred spirits, they loathe and slaughter each other...

Once all people received Souls and incredible powers. Some were lucky enough to obtain the Soul of an ancient and powerful creature, but fate was not favorable to all.

The world began to change, and creatures evolved. But, it was not the beginning of a new era. It was the end. A couple of months later, a dark mist appeared and destroyed the world. It was a dictate of destiny from which no one could escape.

Wain Norheim was the world's best assassin and the only one who didn't get a soul. However, he was destined to gain the power to confront fate.

Escaping through a portal into another world, he unknowingly began the apocalypse. Even the world failed to expel him.