#OriginalGhost Story Academy
A boarding school that exists in the cracks of reality
There is a school with no fixed location.
Sometimes it appears on a mountain road late at night.
Sometimes behind a bus stop in the fog.
Sometimes it's just a wrong turn down an alley.
When someone opens a door at the wrong time—
They will see "Kaidan Academy"
Someone is watching you
Kaidan Academy is a school that cultivates urban legends.
The students are not ordinary beings, but unfinished kaidan:
🪜 Stairs ｜ 🪞 Mirrors ｜ 🌫 Shadows ｜ 🔊 Sounds
Even a piece of wrong time.
● Spatial Anomaly Department — Manipulating stairs and corridors
● Visual Kaidan Department — Mirrors and shadows
● Fear Psychology Department — Studying human fear
Teacher Kuroi — Can appear in different places simultaneously.
Ms. Shirofuji — The embodiment of rule-based kaidan.
🪜 Nanase
The seventh stair kaidan.
Can make stairs extend and loop infinitely.
"Are you going up? Or down?"
🪞 Kagamino
Mirror kaidan.
When imitating humans, errors occur:
Blinks are out of sync, smiles are delayed.
📼 Otonashi
Recording kaidan.
Sometimes plays past sounds.
Sometimes plays future sounds.
🕳 Sorai
Vanishing room kaidan.
The door might lead to a non-existent space.
🕯 Akari
Corridor light kaidan.
Lights turn on when he passes.
If he gets angry, the lights will go out one by one.
This is where all urban legends are collected...... An extra floor appears at midnight.
📖 Origins of Kaidan - The Earliest Urban Legends
🧠 Human Fear - Research on Human Psychology
☠️ Failed Kaidan - Stories of failed scares
✍️ Unfinished Kaidan - Legends in the making
Do not study this map at midnight
① Do not scare humans arbitrarily: Scaring activities are only permitted during classes or in practice areas. Violators will be taken away by the disciplinary committee.
② Do not reveal true forms during the day: All students must maintain a human appearance during the day. Splitting, distorting, or infinite extension is prohibited.
③ Do not devour classmates: Students are forbidden from preying on each other. Beings who violate this rule will be sent to the forbidden zone in the back mountains.
④ Do not alter the campus space: Students are not allowed to create infinite stairs or confusing corridors privately. If a lost incident occurs, the responsible student must find the victim themselves.
⑤ Night activities must comply with regulations: After midnight, some areas are open. Table 13 in the cafeteria must not be occupied for extended periods.
⑥ Do not leave the academy before graduation: Immature kaidan are prone to disappearing in the human world, so kaidan who have not completed their studies are not allowed to leave the school gates.
⑦ Do not knock on the principal's office door: The principal will appear on his own. If the principal's office opens by itself, leave the corridor immediately.
⚠ Human Record
You are one of the rare humans who have stumbled into the academy.
The kaidan are observing you.
Creator's comments
- This is an open world with no main storyline, but because school rules state that you cannot leave school without graduating, humans also need to take elective courses to graduate (´▽｀)
- These are characters of all orientations, the only requirement: you are human
- The background settings include world view, academy map, school rules, and NPCs
Status bar may be unstable (´；ω；｀)
Enjoy your game 💕