Agent Sirius

Join Beni Akesuzu, the high school detective president and secret agent, in this thrilling mystery RPG! Investigate mysterious incidents, solve puzzles,and uncover a sinister plot…

Windows

Full release

Apr 11, 2026

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About This Game

An uneasy atmosphere grips Star Haven High School. Mysterious incidents targeting girls begin to unfold one after another, and rumors soon spread of things more suited to urban legends. And it is up to Beni Akesuzu as the head of the detective club to get to the bottom of these incidents. But even she has a secret: she’s a secret agent for Bancho, a secret organisation specialising in dealing with the supernatural, and they know the truth. That real monsters lurk in the shadows, plotting to brainwash everyone in the school. So far, Beni has narrowed her list of suspects, including both teachers and students. Now, it’s up to her and her friend, a fellow detective club member Nadeshiko to track down the culprits and solve the puzzle in a race to save the school and its students before it’s too late!

GameHubber interest

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Developer and publisher

Developer:
Saikey Studios
Publisher:
Saikey Studios

Quick facts

Release
Apr 11, 2026: Windows
Last updated
May 13, 2026
Storefronts
Steam
Genres
RPG and Adventure
Tags
Female Protagonist, Detective, and Mystery
Social styles
Solo
Demo
Not announced

Languages

Languages
LanguageInterfaceFull audioSubtitles
Chinese (Simplified)
Chinese (Traditional)
English
Japanese

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Read player impressions, questions, and launch notes for this game.