Agent Sirius is a mystery RPG developed by that follows the story of Beni Akesuzu, a high school detective who is also a secret agent for an organization specializing in the supernatural. Game Overview
is a mystery RPG developed by Lunarian and published by Saikey Studios , released on April 10, 2026 . The game follows Beni Akesuzu, a high school detective and secret agent, as she investigates supernatural incidents at Star Haven High School. New DLC Content (RJ388166 / RJ01259073) eng agent sirius dlc rj388166 rj01259073 new
: A central mechanic where Beni's state changes based on enemy encounters. Defeat does not end the game but instead opens alternate story routes and character states. Agent Sirius is a mystery RPG developed by