I am active as a member of a secret organization called the 'Underground Public Security Organization', which was formed in secret to eradicate crime in the underworld... This organization, while capable of conducting extrajudicial investigations, is literally an 'underground organization' that is not officially recognized by the state, so failure in operations is not tolerated. Six months ago, I was assigned to investigate a group rape case and was tasked with uncovering the full picture of the criminal group behind it. And I successfully followed one of the perpetrators to the heart of the organization's hideout...