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- 【2025.4/18-12/26】The Detective’s Quest
“Case File of Thermal Mist : Shadow of the Night Slasher”
【2025.4/18-12/26】The Detective’s Quest
“Case File of Thermal Mist : Shadow of the Night Slasher”
2025.04.19
Search around Solaniwa Onsen to find hidden keys to solve the mystery!
Event Overview
[Schedule] April 18(Fri) – October 31(Fri), 2025 → We’re extending the event until Friday, December 26, thanks to your amazing support!
* Valid until the participant limit is reached
[Opening Hours] 11:00am – 10:00pm
* Final Registration 7:00pm / Final Report Submission 10:00pm
* Estimated playing time 60–90min
[Location for Reception & Report Submission] 2nd Floor Front Desk
[Price] ¥1,500 / 1play
* Admission Fee Required additionally
[Languages Available] Japanese / English
[Age] 10years and above
A handy plan with a game booklet and admission is here!
Reserve your plan here ＞
* Valid until the participant limit is reached
[Opening Hours] 11:00am – 10:00pm
* Final Registration 7:00pm / Final Report Submission 10:00pm
* Estimated playing time 60–90min
[Location for Reception & Report Submission] 2nd Floor Front Desk
[Price] ¥1,500 / 1play
* Admission Fee Required additionally
[Languages Available] Japanese / English
[Age] 10years and above
A handy plan with a game booklet and admission is here!
Reserve your plan here ＞
Prologue
Unmask the Night Slasher as the Shogunate Administrator!
There was a bright town full of laughter and life but it had another face, fear of the Night Slasher.
In the face of these circumstances, people could not and should not go outside at night.
As you patrol as usual, the fearful screem echoes all over the town. And you rush to where it happened, and what you see is…
There was a bright town full of laughter and life but it had another face, fear of the Night Slasher.
In the face of these circumstances, people could not and should not go outside at night.
As you patrol as usual, the fearful screem echoes all over the town. And you rush to where it happened, and what you see is…
Game Features
◆Reenactment of real crime scene
The reality of bloodstained weapons and restricted areas draw you into a world of mystery!
◆Test your evidence gathering skills as a detective
Refine your logical thinking to create hypotheses, and find the keys to uncover the truth!
◆Talk to unique characters
Do not miss the key figures! Investigate and analyze the statement of suspects and witnesses!
◆Multi-ending system
Discover a fresh perspective every time you play, as the story unfolds differently based on how you reach your outcome♪
◆Entertainment redefined with a unique blend of hot springs and mystery
After all, relax and refresh your body and soul, and enjoy a wonderful time at Solaniwa Onsen.
How to Play
①Field survey
Carefully examine the crime scene and be sure to document any observed information.
②Information gathering
Be sure to take notes on the statement of suspects and witnesses!
③Consideration and Reasoning
Summarize all information you obtained.
④Identify a criminal
Submit the number derived from the truth, revealed through the investigation, into the “Truth Clarification Box”.
* The Illustrations are for reference only. * Event details are subject to change or may be discontinued without notice.