To build a castle in one night is preposterous, but Yoshiharu knows it’s the next move to make.  But convincing Nobuna will take longer.
I promised Nobuna we would.
Das habe ich Nobuna versprochen.
Se lo prometí a Nobuna.
Se lo prometí a Nobuna.
Je l’ai promis à Nobuna.
Eu prometi a Nobuna que iríamos.