Kyoukai Senjou no Horizon – Girls Talk - Volume 1, Chapter 22: Noisy Girls Above and Below

Betrayed by those he empowered. Slain at the peak of his reign. Reborn into a world unworthy of him.Tian Mo was once a supreme cultivator, a dark sovereign who ruled with absolute might and terrifying intellect. After a million years of conquest, his closest allies turned on him, stripping him of everything. But fate offered no rest. Reincarnated into modern-day Earth, he awakens in a weak mortal body—yet his memories, ambition, and ruthlessness remain untouched.In this strange new world of technology and fragile peace, Tian Mo finds new prey. With the Primordial Chaos Demonic Evil Physique and the forbidden Divine Sins Emperor Technique, he begins building his empire from the shadows. He manipulates the system, devours the corrupt, and topples the powerful—not out of justice, but vengeance... and the endless hunger for power.There are no heroes in this tale. Only a monster reborn—and the world that will burn beneath his feet.

A Professional Transmigrator meets a newbie Regressor.

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He lived an average, fulfilling life and died of old age. The next moment, he opened his eyes as the Princess of Asmaria.

While looking forward to his new life, he died again.

And so began his 151,897,914th life as Samur Eckart.

Samur is a Professional Transmigrator- or so he says so, as he gets transmigrated into a new world every time he dies.

However, each time, his memories return only moments before his death. If he successfully survives, he gets to live that life, if he dies, well, he just moves on to his next moment of death.

Once again on the verge of death as Samur, he’s saved at the last moment by a young boy.

Surprise, surprise, the young boy is a Regressor.

As a man of honour, Samur intends to repay his debt then leave because the world is too inconvenient to live in.

Well, that’s what he thought, at least, but the Regressor and his friends are kind of… weird, and he can’t seem to get away at all?

However, not everything is as it seems. Samur’s whims have made him the part of an eternal lie.

Shadows dance in glee as they concoct a requiem far grander than anyone can imagine, while the Lights tremble in delight as the apocalypse threatens the Universe.

The dies have been cast, the play has been written, the characters are on the stage, and the sacrifices have been made.

And so, it’s finally time to let this game begin.

Ancient existences wake up in the abyss, demons whisper in people’s ears, unknown horrors erode the spirit, and madness breeds in the darkness of people’s hearts.

But it is not only darkness that descends on this world.

There are heavily armed dark knights walking in the dark to judge crimes; tight-fitting supernatural beings wandering between buildings to act as friendly neighbors; The impossible god on earth, the “S” symbolizing hope shines like the sun on his chest…

No one could have imagined that behind all of them, there was just a player sitting in front of a computer screen holding a keyboard and punching hard.

- Description from novelbuddy

After coming out of a tunnel… it was pitch dark.