Chiaki's feed

Chiaki created a topic of Little Mushroom

It's likely that the captain was in love with his friend but never got to tell him how he feels so now he has the doll and all his shared memories to hold dear, that's incredibly sad.

Also will they be explored more in volume 2? No spoilers, I just wanna know if we'll see more of them!
This volume has been much shorter than expected, isn't the second the last one already?