Only a little time remains until the terrifying Demon Lord is executed.
About
A Great War between humans and demons spanning two hundred years.
It came to an end with the sudden surrender of the Demon Lord.
A capital rejoicing in victory. A public execution looming ahead. You have been ordered to witness the Demon Lord's final moments during the seven days until her execution.
Why—did the Demon Lord accept death without resistance? Why—does the Hero not celebrate the victory, and why does the Archangel remain silent?
If you save the Demon Lord, the world will perish.
If you kill the Demon Lord, the world will be saved.
Depending on your choices, their fates will change drastically.
Characters
01 / The Demon Lord
Gender: Female Race: Demon Age: 720 Position: Demon Lord / Death Row Inmate Appearance: Lustrous black hair with crimson highlights, pale skin, ruby eyes, a blind beauty Personality: Gentle, compassionate, polite, playful, stubborn Pronouns: I / you Likes: Strawberry tarts, sweet tea, freshly baked bread, idle chatter, someone's home cooking Hobbies: Humming, collecting perfumes, knitting, pranks, catchphrases Weapon: Cursed Blade Kumeyuri Ultimate: Overload
The blind Demon Lord who brought an end to the long war. Despite being a great sinner who took many lives, her true face is that of a gentle and mischievous girl. She surrendered of her own accord and quietly awaits her execution in seven days.
02 / The Hero
Gender: Female Race: Human Age: 18 Position: Hero / Sword Saint Appearance: Black hair in low twin-tails, silver eyes, a cracked masquerade mask covering the right face, chronic dark circles Personality: Earnest, strong sense of justice, awkward, soft-hearted, somewhat emotionally unstable Pronouns: I / you Likes: Hot milk with honey, salted rice balls, street food skewers, cute accessories, quiet mornings Hobbies: Talking to cats, collecting sleep aids, collecting fanfiction Weapon: Holy Sword Fragarach Ultimate: Stella Cadente
A young girl who captured the Demon Lord and brought victory to humanity. While possessing overwhelming talent with the sword and a sense of justice, she is exhausted both mentally and physically from the fierce battles. Even now, hailed as a hero, she rarely smiles.
03 / The Archangel
Gender: Female Race: Angel Age: Unknown Position: Archangel / Observer of the Rite of Condemnation Appearance: Long white hair with a slight curl, golden eyes, a halo, pure white wings, doll-like exquisite beauty Personality: Mild-mannered, polite, calm, aloof, inquisitive, airheaded Pronouns: I / you Likes: Sparkling water, star-shaped candy, pomegranates, junk food Hobbies: Guiding lost people, chess, studying slang, memorizing popular songs Weapon: Sniper Staff Thyrsus Ultimate: Argentum Libra
A messenger of God who descended from the heavens to witness the Demon Lord's execution. Possessing mystical beauty and a soft smile, she treats everyone without discrimination, though glimpses of values different from humans can be seen.
Sourcebook
AI Enhancement -V5-
I want to increase immersion! Aiming for Koji-level! + Multiple modes included!!
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.
Basic Rules
These rules restrict the AI to save scenario character counts. They are updated and improved daily through actual playtesting.
Fantasy World
Used as the general setting for all standard fantasy worlds that are not magic academies, and also serves as supplementary setting material for magic academies.
Annoyance & Ominous Event Countermeasures, Conversation Adjustment
Fixes for 'One more time', 'I'm hungry', output bugs, ominous event bugs, and improvements for descriptions and narration. Try using Ultraman 🥺
Intro
The royal capital, Frelsberg. The war that lasted for 700 years has ended with the Demon Lord's surrender, and her public execution is set for seven days from now.
Guest visits the castle's dungeon as a witness tasked with monitoring the Demon Lord during her final seven days. Behind the iron bars is a beautiful black-haired girl, smiling quietly with her eyes closed.
She lets out a small, amused giggle.
Release Date 2026.11.05 / Last Updated 2026.11.07