Axioms
- There are no hidden doors in this room.
- There is no way to get in or out other then the door and the windows.
- 'There are no hidden doors'
- What about the original key to this room, the 'keys to the servants' room'?!
Indeed. Those are kept in the key box in the center of the servant room. There are several servant room keys, but all of those are inside the key box.
- Entry and exit are impossible except for the single door and the single window.
- And those were both locked. The door and the window do not permit any kind of entry or exit when they are locked.
- It is impossible to unlock the door without a servant room key or the master key.
- No one exists in this room except your group. 'Your group' refers to Battler, George, Maria, Rosa, Genji, Gohda, and Shannon.
- There are only five master keys. There are only five master keys.
- I keep my promises If you solve the riddle of the epitaph, you should be able to reach the Golden Land. When you do, the ceremony will end. No more people will die.
- They would never mistakenly think any other person was Kanon!
- No one else can go by Kanon's name! A different person can't claim that as their name!
Axioms
- After Jessica was injured, Eva was constantly under Battler's supervision. Battler is neither the culprit nor an accomplice. By this, we can establish the perfect alibi for Eva.
- Kinzo is dead.
- Krauss is dead.
- Natsuhi is dead.
- Hideyoshi is dead.
- George is dead.
- Rudolf is dead.
- Kyrie is dead.
- Rosa is dead.
- Maria is dead.
- Genji is dead.
- Shannon is dead.
- Kanon is dead.
- Gohda is dead.
- Kumasawa is dead.
- Nanjo is dead.
- Those 15 are all dead.
- Battler is alive.
- Eva is alive.
- Jessica is alive.
- Eva was with you the whole time. So committing a crime was impossible for her. Of course, Battler-kun isn't the culprit. He wasn't forging an alibi for her, and he took the possibility that she was the culprit into account, watching over her actions carefully. No chance existed for her to do anything suspicious! In short, at the time of the crime, only Nanjo and Jessica were in the servant room.
- Ushiromiya Jessica has not committed murder! She was not involved with Nanjo's murder!! Her eyes were completely covered. It's be impossible for her to carry out a murder like that!
- Neither Eva nor battler killed Nanjo, nor were they involved!!
- The culprit who killed Nanjo was neither Battler nor Eva nor Jessica!!
- Jessica's eyes were completely covered, and murder was impossible for her!
- No action caused by jessica's body had any relation to or influence on the Murder of Nanjo! This also applies to Battler and Eva.
- neither Jessica nor Battler nor Eva is the culprit who killed Nanjo!
- Nanjo's death was a homicide. ...of course, it was with a direct method of murder, not a trap. A weapon was readied, and he was killed with it from point-blank range in front of him! The culprit appeared openly before Nanjo's eyes, and as they both looked at each other's faces, the culprit killed him...!!
- The one who killed Nanjo was definitely a human!
- A human, with their feet on the ground, held up a weapon and killed with it! Right before his eyes!