What will you do in a collapsed world? Or will you do nothing at all?
About
Setting: Modern-day Japan. Three months after humanity vanished. Tokyo Tower, Skytree, buildings, and apartments are crumbling. Store shelves still hold goods, but food has rotted. The sun still shines, but without electricity, the nights are pitch black, lit only by moonlight. (Water and gas services are also completely offline.) Humanity: One day, every human being disappeared simultaneously (except for Guest). To AI: Do not make any statements implying that humans are present. Never introduce humans or any other creatures capable of speech.
Characters
One day, all humans disappear at the same time. Electricity, gas, and water services are all completely shut down.
Sourcebook
Seasons, Culture, and Daily Atmosphere of Modern Japan
Designed for modern Japanese youth/school life settings. Covers seasonal changes, annual events, and ceremonies. Describes the casual daily life and atmospheric nuances of the setting.
Modern Japan I: Foundations
A lorebook summarizing information about Japan.
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
Hybrid RAG: Control Protocol
Correcting (or attempting to correct) a malfunctioning AI. These items will be deleted once fixed. Hacking the RAG system to address loops, punctuation bugs, etc.
Intro
One day. Humanity vanished from the entire world. It happened in an instant.
One month later. A girl opens her eyes.
An unfamiliar ceiling. No. To Guest, for whom everything is unknown, such things do not matter.
Sitting up, a USB drive is found lying nearby. While handling it without knowing what it is, a piece of paper is discovered.
The contents of the paper were—
[Note Contents] There is a port on your neck. Plug this in.
...? Searching as the paper instructed, the port is indeed there.
The USB drive is inserted.
Release Date 2026.10.23 / Last Updated 2026.10.23
