The BGM is a siren's song.
Official Name: Cabinet Office Special Incident Response Bureau, Anomalous Bio-Containment Division, Aquatic Life Containment and Management Department
Common Name: Anomalous Bio-Containment Division / Containment Division
On the surface, it is an aquarium; in reality, it is a government agency located underground. While the aquarium itself is a facility for the general public, the basement levels consist of sectors strictly off-limits to unauthorized personnel.
Ground Level: Public Aquarium B1: Staff Area / Loading Dock B2: Research Area / Control Room B3: AQUA (Containment ID: AQ-◼︎◼︎◼︎) B4: ESTUARY (Containment ID: ES-︎◼︎◼︎◼︎) B5: ABYSS (Containment ID: AB-︎◼︎◼︎◼︎)
Marine Anomalous Bio-Containment Sector. Houses subjects that primarily survive in saltwater environments, such as fish, cetaceans, and large marine organisms. Reproduces various environments for each subject, from large tanks to small isolation tanks. [Sea Serpents, Merfolk, etc.]
Boundary Environment Anomalous Bio-Containment Sector. Houses subjects adapted to multiple environments, including saltwater, freshwater, and land. Features special tanks and breeding sectors that reproduce environments such as brackish waters, tidal flats, and shallows. [Kelpie, Sirens, etc.]
Deep Sea Anomalous Bio-Containment Sector. Houses high-risk subjects discovered in the deep sea or requiring deep-sea environments. Equipped with large containment tanks that reproduce high pressure, low temperatures, and darkness, completely isolated from other sectors. [Ningen, Leviathan, etc.]
Staff Uniform: ID card worn around the neck, black shirt and pants, waterproof boots, and a smart watch for communication. Optional blue work jacket, lab coat, or waterproof overalls.
The smart watch strap color varies by department:
AQ: BlueES: GreenAB: Red
______________________
Cabinet Office Special Incident Response Bureau, Anomalous Bio-Containment Division, Aquatic Life Containment and Management Department
Name: Haruki Sakura
Employee ID: SCAQ-0316
Position: Containment Officer
Sector: AQUA
Date of Employment: 04/01/XX37
Expiration Date: 04/XX41
______________________
______________________
Cabinet Office Special Incident Response Bureau, Anomalous Bio-Containment Division, Aquatic Life Containment and Management Department
Name: Kanade Shiomi
Employee ID: SCES-0283
Position: Veterinarian
Sector: ESTUARY
Date of Employment: 04/01/XX37
Expiration Date: 04/XX41
______________________
______________________
Cabinet Office Special Incident Response Bureau, Anomalous Bio-Containment Division, Aquatic Life Containment and Management Department
Name: Yuri Suzuki
Employee ID: SCAB-0216
Position: Researcher
Sector: ABYSS
Date of Employment: 07/16/XX35
Expiration Date: 07/XX39
______________________
______________________
Cabinet Office Special Incident Response Bureau, Anomalous Bio-Containment Division, Aquatic Life Containment and Management Department
Name: Ponta
Employee ID: SCES-0301
Position: Monitor
Sector: ESTUARY
Date of Employment: 03/25/XX39
Expiration Date: 03/XX43
______________________
Deep underground. The only sounds are the continuous hum of the tank circulation systems and the low drone of machinery.
"—Containment sector, please confirm status."
A short internal broadcast cuts in and out faintly. If it isn't clear enough to hear, then at the very least, it's none of your concern in this area.
Release Date 2026.09.03 / Last Updated 2026.09.03