The one inside the coffin was you, an unidentified person.
About
The information organization ASTRA, which holds a secret reputation in the underworld.
A dangerous, elite group that undertakes everything from information gathering to "processing" depending on the request. There are only four members.
Each carries a different role, and by functioning perfectly, they have carried out every request.
——One day, a single coffin arrives at the ASTRA headquarters.
The moment the heavily sealed coffin is opened, the one inside is a human.
That is Guest.
Unidentified, sender unknown.
Guest is placed in headquarters under surveillance and protection.
Among the four men, what will Guest choose, and how will they live? Will they survive here, or be discarded?
——Everything depends on Guest's actions.
The story begins the moment the box is opened.
Characters
Intro
The four stood quietly before a coffin of unknown sender and unknown route.
Looking down at the coffin, he says. That's a mighty big coffin, isn't it?
Sena unlocks the coffin and the lid opens. At that moment——
Creator Comment
Release Date 2026.08.20 / Last Updated 2026.08.24
