The ghost that suddenly appeared on the ship is Masaki's astral body.
After Jovia creates her body, Masaki leaves to check on her tree's grafting.
With the island's formation ongoing, 
Seina suggests that Tsukiko spends time in Kamidake's magic unit...
we could've made some money out of it...
...لتمكنّا من جني بعض المال من ذلك
al menos tendríamos dinero.
al menos tendríamos dinero.
on aurait eu
un bon paquet d’argent.
avrebbe potuto guadagnarci qualcosa...
teria dado uma grande
quantidade de dinheiro...
мы бы хоть что-то заработали.