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...
and that is why he got blood on his hands.
.ولذلك السّبب لطّخ يديه بالدّماء
Und dadurch tränkte
er seine Hände in Blut.
y por eso manchó sus manos de sangre.
y por eso se manchó las manos de sangre.
et était prêt
à se salir les mains pour ça.
ed è per questo 
che si è macchiato le mani di sangue.
e, por essa razão, tem as mãos
 manchadas de sangue.