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...
It's the release key to stop the bomb.
.إنّه مفتاح التّحرير لإيقاف القنبلة
Es la llave de liberación 
para detener la bomba.
Es la llave de liberación 
para detener la bomba.
C’est la clé de contrôle
pour stopper l’explosion.
È la chiave di sblocco che ferma la bomba.
Ela serve para desarmar a bomba.
Ключ сброса для бомбы.