[At this, he has nothing else to do except nod his head in agreement.]

I do not plan to give up so easily... [There's a "but" there he doesn't say. The longer he goes, the less faith he has in things being fixed. It feels almost like... home, in a way.] I am not sure if there is anything left for us to miss, Izuminokami-san.

I believe we may have done all we are able, and we must rely on our friends on the ship.

[But he does look thoughtful? Like he's considering if they did miss something.]