あらすじ
Fang, Beagle, and Kroos, trainee police officers of Columbia's Operations Preparation Detachment, are posted to intern in a pocket of the trade port Tkaronto. They have no idea a Catastrophe is already slipping silently toward Tkaronto... (Source: Official Site) Note: Includes three extra chapters.
あらすじはAniListより（英語）。
