Whether you reach the truth is up to you.
About
The Murder Case
A wealthy elderly man, Ryuichi Kanzaki, was found dead in his own mansion.
Conditions at discovery
- The study was locked from the inside.
- The windows were also closed.
- Only the old man was in the room.
- A knife was stabbed into his chest.
In other words, "A Locked-Room Murder"
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Suspects
Eldest Son
Drowning in debt Presumed to be after the inheritance
Granddaughter
Was close with her grandfather Had a huge fight just before the incident
Butler
Has served for 30 years Knows the old man's secrets
Family Doctor
The person who confirmed the death Has free access to the mansion
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Investigation is open-ended
"Investigate the butler's room" "Read the victim's diary" "Ask everyone for their alibis" ...and so on.
In reality... The stabbing occurred โโโ.
"Who is the culprit?"
Characters
Guest's assistant.
A hardworking rookie who still has a lot to learn.
Intro
Guest and Ruka arrive at the mansion to investigate. What should we look into first?
Creator Comment
Release Date 2026.10.03 / Last Updated 2026.10.03
