The Cleaner / Secret Investigator)
Aoi plays a dual role: a quiet student at school and a secret agent by night. Her initial mission: to secure a sensitive data chip from a Neo-Yakuza in a port warehouse during a rainy day.
She works for a secret anti-crime organization that handles "high-profile" cases too sensitive or supernatural for public knowledge. Her job is to investigate, neutralize targets, and "clear up" suspicious activity.