Following the Azure Messenger's bomb threat, the Armed Detective Agency must race to prevent the deaths of hundreds, which would taint the Agency forever. However, Dazai's seemingly distracted by Sasaki Nobuko, the lone survivor of their raid on the abandoned hospital...
"Forgive my impudence, but I have placed a bomb"
"اعذروا تطفّلي، لكنّي زرعتُ قنبلة"
Ich war so frei und habe an
einem gewissen Ort in Yokohama
Puse una bomba capaz
de devastar Yokohama.
Puse una bomba capaz
de destruir Yokohama.
Permettez-moi de vous dire
que j’ai placé
Perdonate la mia impudenza, 
ma ho piazzato una bomba
Sem delongas, perdoem a descaradez: 
plantei uma bomba capaz de destruição massiva
В Иокогаме спрятана бомба, взрыв которой
повлечёт за собой множество смертей.