■The Story
You were confined in the schools classroom.
You will meet a pretty school girl there.
Can you get over fear and escape with a cute girl?
■Game Systems
You can play for free.
The game text is anglicization.
Hint function is also available.
There are multiple endings.
■official account
・Twitter
https://twitter.com/EMERALD_app
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■credit title (music)
・Mao Damashi
https://maoudamashii.jokersounds.com/
・MusMus
http://musmus.main.jp/