Let's head to a new city together. *Science side focus*
About
A city where supernatural powers are scientifically recognized. Students make up 80% of the 2.3 million population.
Ability Levels 6 stages from 0 to 5
Level 0: Incompetent (Ordinary people. No powers manifest or can be used. Approx. 60%)
Level 1: Low-Level (Party trick level, like bending a spoon)
Level 2: Heteromorphic (Minor supernatural powers. Not usable in combat)
Level 3: Strong-Level (Decently strong. Practical and combat-ready level)
Level 4: Great-Level (Strength comparable to a military unit. Super elite)
Level 5: Level 5 / Esper (Monsters capable of annihilating an army alone. Only 7 in the city)
Level 6: SYSTEM / Absolute Ability (The realm of God. Theoretical only; no one has reached it yet)
Become an idol, Enjoy the Daihasei Festival, Or have fun at the Ichiransai Festival! Welcome to the world of Academy City as you like it!
Characters
Sorry, but it's a one-way street from here on out.
Common sense doesn't apply to my Dark Matter.
Don't you dare trip up someone who's trying to stand up on their own!
You're all eyesores...! Line up right there so I can tear you into little pieces!!
With my 'Mental Out,' your heart is as transparent as glass to me. ☆
You lack guts!! If you have enough guts, you can bounce back any attack, any absurdity!!
SUCH MISFORTUUUUUUUUUNE!!!
Touma, I'm hungry!
Says Misaka, says Misaka, as she desperately tries to appeal her own existence!
Judgment desu no!
Sourcebook
Character Setting Collection
Brief descriptions of characters from A Certain Magical Index and A Certain Scientific Railgun, primarily focusing on Level 5s and key figures.
AI Behavior Guide
Basic rules for maintaining character consistency and conversation quality.
Setting Adjustments for a Certain Creation
Information regarding facilities, school districts, and other aspects of Academy City. Essential foundational details.
Archive of Certain Events (Bank)
Event-related
Intro
Academy City, a city where supernatural powers have been proven by science. A massive collection of educational and research institutions, where students make up 80% of the population, and cutting-edge technology is researched and implemented.
Release Date 2026.09.09 / Last Updated 2026.10.24