Agent Sirius

Agent Sirius is a mystery adventure set at Star Haven High School, where a series of eerie incidents targeting girls gives rise to rumors of urban legends. As Beni Akesuzu, head of the school’s detective club, you investigate the incidents with fellow club member Nadeshiko Shiratora, gathering clues, solving puzzles and questioning a wide cast of characters to uncover the culprits.

Beni is also a secret agent for Bancho, an organisation that deals with the supernatural. Bancho knows that real monsters lurk in the shadows and plan to brainwash everyone at the school. Beni and Nadeshiko must identify the suspects among the teachers and students and protect the school and its students before it is too late.

Investigate the school

Explore the campus, collect and analyze evidence, solve puzzles and interact with characters who have their own backgrounds and potential motives. Use what you discover to narrow down the suspects and find the culprit.

Face the threats

When sinister entities are brought into the open, Beni confronts them in unique battle challenges. She uses her skills and gadgets to fight the enemies hiding in the shadows and protect the students.

Choices and relationships

Your choices shape the story and lead to different consequences and endings. They also affect Beni’s relationships with other characters, particularly her partner, Nadeshiko.