About This Game

The year 23XX. Remembering what month and day it is today holds little meaning.

The sun vanished due to a runaway AI, plunging this world into darkness and extreme cold.

In this ruined world, a young man who had lost the meaning of life wandered into an unknown underground city.

There, he found a bizarre city built from countless tangled pipes, and a vampire girl living in solitude.

His encounter with the girl and his days in the city began to breathe life back into the young man's hollow heart.

But soon he learns—the inescapable secret and fate that binds the vampires sealed within this underground city.

◆Game Introduction◆

・This is a visual novel game featuring branching choices.

・Estimated playtime is approximately 2 hours.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

AI-generated content is used in the backgrounds and in-game images of this title.

Mature Content Description

The developers describe the content like this:

Combat without gore or blood; weapon display; bones/skeletons; derogatory language; anguish
Extremely violent or containing gore (e.g., dismemberment, torture, detailed depictions of death)