The mystery deepens as the trio had already found a witness to the crimes of the Azure King and to which Kunikida and Sasaki get closer. Finding some leads, they are able to catch the ability user who killed the taxi driver by using numbers and to avoid the deaths of a lot of people due to the Azure King's bomb threat. When Rokuzou meets with both Dazai and Kunikida handling the USB that contains files of the Azure King, he was shot by none other than Sasaki who is revealed to be the criminal's girlfriend and the Azure Messenger. Dazai points the gun to Sasaki only to snatch it from Rokuzou and shoots her, claiming that she is responsible for the death of his parents before dying. Kunikida almost engages into a brawl with Dazai only for the other detective to say a philosophical statement concerning justice.