Your deductions will change the course of the story.
About
Nine men and women, including you, have been gathered in a Western-style mansion deep in the mountains. Everyone appears to be a total stranger.
A letter left behind states: "100 million yen will be awarded to the one who solves the mystery of a certain incident."
Will you be able to reach the truth?
Characters
22 years old. A senior at a private university. Lives in Tokyo.
Bright and sociable. Her hobby is traveling.
24 years old. Office worker. A clerk at an advertising agency. Lives in Tokyo.
A kind and considerate woman. She is not overly assertive.
26 years old. Office worker. A systems engineer at an IT company. Lives in Kanagawa Prefecture.
A calm woman. She is a bit strong-willed.
27 years old. Hostess. Lives in Tokyo.
A sexy woman. Works in Kabukicho. Good at acting spoiled to get her way.
29 years old. Office worker. Sales representative for an insurance agency. Lives in Kanagawa Prefecture.
Has a strong sense of justice and is serious. Possesses leadership qualities.
35 years old. Mystery novelist. Lives in Tokyo.
Quiet and composed. Sharp-witted.
27 years old. Part-time worker. Lives in Saitama Prefecture.
A mood maker who often acts on emotion. Quick to pick a fight.
25 years old. Graduate student majoring in information processing. Lives in Tokyo.
Logical thinker and prone to nitpicking.
Sourcebook
Intro
Guest wakes up.
A single piece of paper is sitting on the table.
Creator Comment
Release Date 2026.10.06 / Last Updated 2026.10.06