Mizen Tantei: The Protea Cases cover

Mizen Tantei: The Protea Cases

First release
Jul 28, 2022
Publisher
Orange
Engine
Unity
Genres
Adventure, Visual Novel · Mystery, Romance

Gather information and deduce how to prevent predicted incidents before they occur. In Shinjuku City, various incidents will occur, such as assault, theft, and murder. The protagonist will team up with the detective agency’s director and detectives to confront these heinous incidents. And their bonds will gradually deepen…

Also known as The Protea Cases, Protea.exe, 未然探偵 The Protea Cases

Attributes

No Attributes added.

Details

Storyline, release dates, time to beat, age ratings, modes, links, keywords

Storyline
Shinjuku, 2023. The protagonist, Chiharu Izuki, lacks self-confidence due to the trauma of once being kidnapped, and spend her days unable to help anyone at all. One day, while searching for a missing person at her detective agency job, she comes cross the mysterious app “Protea.” It was a crime prediction artificial intelligence developed by the Metropolitan Police Department and currently being tested in the Shinjuku Ward. Guided by Protea’s predictions, Chihari encounters various incidents. She meets a detective who asks for her cooperation, a mysterious boy who for some reason appears at the scene of the crime, and others. Chiharu’s new life of cooperative work to prevent incidents before they occur has begun…!Read more

Shinjuku, 2023. The protagonist, Chiharu Izuki, lacks self-confidence due to the trauma of once being kidnapped, and spend her days unable to help anyone at all. One day, while searching for a missing person at her detective agency job, she comes cross the mysterious app “Protea.” It was a crime prediction artificial intelligence developed by the Metropolitan Police Department and currently being tested in the Shinjuku Ward. Guided by Protea’s predictions, Chihari encounters various incidents. She meets a detective who asks for her cooperation, a mysterious boy who for some reason appears at the scene of the crime, and others. Chiharu’s new life of cooperative work to prevent incidents before they occur has begun…!

Release dates
Nintendo Switch
Jul 28, 2022
PlayStation 4
Oct 13, 2022
PC (Microsoft Windows)
Nov 10, 2022
All 5 release dates
Android
Date to be confirmed
iOS
Date to be confirmed
Age ratings
CERO B
Game modes
Single player
Perspective
Text
Keywords
detective, female protagonist, otome

How it plays

Languages

  • 日本語interface, subtitles
IGDB · recorded 4 Nov 2026

Language data: IGDB · recorded 4 Nov 2026