Miyuki Amano supervises security operations at Fantasien theme park, commanding authority over personnel including the protagonist. Her professional interactions occur in workplace settings when addressing incidents. After a security guard damages park equipment, Amano summons both the responsible employee and colleague Tamami to her office for disciplinary discussions. This event triggers cascading facility malfunctions and fatal accidents among staff.

When an employee dies from an apparent technical failure, Amano participates in the investigation. Messages circulate among workers claiming responsibility for the incident, raising suspicions of sabotage. An unknown entity compromises the park’s control systems, escalating tensions into lethal conflict. Amano’s supervisory duties require crisis management throughout these events, though her precise actions remain unspecified.