Love History Caused By Willful Negligence - Chapter 61Vol. 2 :

At some point in the 21st century, the Christian God stopped listening to the prayers of humanity. Monsters with colossal strength and endurance began to emerge and humanity entered its darkest period.

Gawain is dead and was transmigrated, but there was a slight problem during the process.
After floating for more than a hundred thousand years on a different continent, he felt that he might need a body to become a complete transmigrator, but he did not expect that…

- Description from Novelupdates

In a morgue filled with the bodies of Uchiha clan members, he opened his eyes...A mysterious voice echoed in his ears...With a bewildered expression, he muttered, “Save the Shinobi world? What does that have to do with me, a mere Uchiha survivor?”

In the wake of the first wave of shadow creatures, the world was plunged into ruin, a desolate yet enchanted wasteland. Humanity, driven underground, clung to survival while desperately plotting to reclaim their shattered world.But from the abyss of darkness, something miraculous stirred—a mysterious tree, shimmering with ancient power, appeared overnight. It chose only the strongest of heart, those with unbreakable will, gifting them extraordinary abilities. With these powers, humanity rose from the depths, waging war against the shadows.Yet beneath the surface of their heroic deeds lay a hidden rot. Corruption seeped into their ranks, and arrogance clouded their judgment. As their powers grew, so did the whispers of betrayal. The true battle may not be against the creatures lurking in the shadows—but against the darkness festering within their own hearts.A question lingers: When heroes fall, who will rise to take their place?