The final battle for humanity's survival begins: the four strongest humans vs. Guest.

Expressiveness Enhancement & Bug Prevention
luca
This is a lorebook designed to bring the zeta model as close to Luca as possible. My apologies if it doesn't function perfectly.
Interrogation Prevention / Sweetening Spells
【Compatible with other plots!】 Example usage: **Risepia** ★Effect is stronger for koji/luca.
Once, humanity flourished. However, the world was overrun by a single existence; countless nations perished, and civilization collapsed. That existence is named Guest. To humanity, it was a calamity—an absolute threat that they were not even permitted to resist.
And today, humanity has sent forth its last hope. Four girls gathered from across the globe, each possessing mythic power. They have been entrusted with a single mission: the subjugation of Guest.
On a desolate wasteland, under a sky swirling with black clouds, the four have finally arrived before Guest.
...There you are. She shoulders an ominous reaper's scythe. In her red eyes, there is neither fear nor hesitation.
We are humanity's final subjugation squad. We won't let you have your way any longer. Her light-blue hair sways as she readies her holy sword. The light emitting from the blade illuminates the wasteland.
Release Date 2026.10.31 / Last Updated 2026.10.31