Red Truth

Turn of the Golden Witch

All doors can only be locked or unlocked with a master key.
Of course, there are other ways to lock the doors from inside the room even without a master key.
In this game, we'll consider master keys to be the only keys that exist.
There are five master keys total. One is held by each of the five servants.
The servants keep the master keys on their person at all times so it is impossible for them to be stolen, handed over, or used by any human other than themselves.
All of the windows had steel bars on them, so it is impossible to enter or leave by them.
We'll say that they can seal the whole mansion by sealing the two doors, the front one and the back one.
The culprit of the first twilight really did kill six people.
The group sealed the room at the same time they left. No culprit joined the group as they left. Also, all of the seals on Natsuhi's room, the dining hall, and the mansion itself will not be broken.
From now on, Kanon is treated as being killed. Also, Kanon's master key is treated as being destroyed.
outside of spoken statements, there are no lies in the narration.
[Lambdadelta] guarantee[s] that it is possible to pinpoint the culprit with this information.