The Agency investigates a series of disappearances in Yokohama. Kunikida enlists the help of a hacker named Taguchi Rokuzou, but all they find are photos of the victims and mention of a mysterious figure called the Azure Messenger. They follow the trail of clues to an abandoned hospital...
Regards, 
The Azure Messenger
،مع تحيّاتي
الرسول الأزرق
Saludos, 
el mensajero azul
Saludos, 
el mensajero azul
Cordiali saluti, 
il Messaggero Azzurro
Cumprimentos, 
o Mensageiro Azul