Nagato sank on the following sortie...

Those who knew the circumstance, and believed this was a punishment,

did not blame me.

Is it really true that Mutsu let her out to die?

Maybe they didn't get along.

N-no... I heard Nagato asked her to...

There must have been a reason... , for which we don't know...

.... Mutsu probably

cared about Nagato the most.

So it must have been really tough on her.

I think she did the unbearable by granting Nagato's wish...