So are you ready to take on the role of the aspiring detective and solve the mystery within The Centennial Case: A Shijima Story? Time to crack this case wide open. The first chapter, The Wandering Mummy, takes us back to 1922 when a private auction for people seeking to prolong their lives has a much more lurid ending.

This chapter will introduce you to the basic mechanics of the game, during the Incident Phase you will watch scenes unfold and gather clues, which you can then use to create hypotheses in the Reasoning Phase. You don’t have to click on each hint as the scenes unfold , as all of these are automatically added in the reasoning phase independently. Once you have sorted out your hypotheses in the solution phase, you can proceed with the story to unmask the killer.

Warning: Plot spoilers and murder mystery are contained in this guide!

There are several times when you will be asked to answer a question during the Incident Phase and after you identify the killer. These answers don’t really matter or change the story, which is why we haven’t included them in this guide.

How to Solve Setsu’s Murder

The Centennial Case: A Shijima Story

I would have already had a short tutorial on the reasoning phase earlier in the chapter, but essentially you need to create hypotheses by matching the clues to the red mystery tiles . You don’t necessarily have to complete all of the mystery tiles, as once you’ve created enough hypotheses, the purple “Reasoning” tile will appear and you can proceed with the game.

Your hypotheses are exactly that, proposed explanations, so they are not necessarily the actual facts. Many of your hypotheses will conflict with each other and it is up to you to decide the most likely series of events during the solution phase.

Just below you will find each mystery in order, as well as the clues necessary to create each hypothesis. Please note the exact wording, as some tracks have very similar names.

What was that mummy?

Position in relation to the mysterious red mosaicClue
directly abovea living corpse
On the rightthe mummy mask
More to the rightThe mummy’s bandages

Did someone dress up as a mummy?

Position in relation to the mysterious red mosaicClue
directly aboveKinu Kotomiya
top rightGotō Ginsaku
Bottom rightmasanori minami
directly belowAll gathered in the entrance hall.

Why would someone dress up as a mummy?

Position in relation to the mysterious red mosaicClue
Down leftEveryone’s surprise at the mummy.
directly aboveThe mummy seen in the hallway.

What was used for the costume?

Position in relation to the mysterious red mosaicClue
Bottom right[Tokijiku]
directly aboveThe bandages and rags in the wooden crate.
top rightThe bloody sword held by the mummy
Directly above the last trackThe vial of dragon blood

What did the killer use in the murder?

Position in relation to the mysterious red mosaicClue
Down leftThe small box containing the [Tokijiku]
directly belowThe mummy in the wooden crate.
bottom right of the last trackThe mummy killed Setsu.
directly aboveWooden box
top rightThe sword of Taira no Masakado
Bottom rightDragon blood

What was the purpose of the mummy?

Position in relation to the mysterious red mosaicClue
directly aboveA family watching over the Fruit of Youth
top rightConsuming a mummy grants longevity
Bottom rightWandering the night in search of human blood

Where was Setsu killed?

Position in relation to the mysterious red mosaicClue
Up to the leftBlood splatter along the hallway.
top rightThe pool of blood in the warehouse.

Ginsaku had the key. Is he the killer?

Position in relation to the mysterious red mosaicClue
Up to the leftThe key that the mummy held
Directly above the last trackThe key was secretly given to Setsu.

What happened in the warehouse?

Position in relation to the mysterious red mosaicClue
directly belowThe warehouse was in disarray.
top rightSetsu received the key from Ginsaku

What was Setsu planning?

Position in relation to the mysterious red mosaicClue
top rightTampered Auction Items
Bottom rightHe [Tokijiku] is gone

Why did Ginsaku give Setsu the key?

Position in relation to the mysterious red mosaicClue
directly aboveThey must have a special relationship.
Up to the leftSetsu slapped Ginsaku.

Once you are ready to complete the reasoning phase, you can move on to the solution phase. This starts with the Summary, where you can decide the most likely scenario by answering questions. You don’t have to complete all of the summary questions, once you’ve provided a summary you can simply skip past the reasoning phase and move on to accusing your killer.

How to Identify Setsu’s Killer

How to Identify Setsu's Killer

Do you think you know who the killer is? Time to put your theories to the test. If you answer a question incorrectly, you can go back and try again. however, you will receive a lower score as a result of your mistake.

We have the correct answers listed in order here:

  • Someone was dressed as a mummy.
  • not the killer
  • Ginsaku would not have given the key to the mummy.
  • Nobody in the entrance hall was the mummy.
  • Killed after we saw the mummy
  • masanori minami

Other questions/answers to the culprit don’t affect the story, so take your pick.

What are the rules of the Shijima family?

Position in relation to the mysterious red mosaicClue
directly belowThe order of taking a seat
directly aboveThe cherry blossom ceremony
AnswerEveryone followed Ryoei’s example at the ceremony. o No one sat down before Royei took a seat.
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Taimur Malik is a content creator / Blogger, creating content for multiple blogs, websites and News portals since 2014. The stories published by Malik are based on thorough research and reliable sources.