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...
By the way, Acha.
بالمناسبة يا آتشا
Sag, Acha, hast du
deine Mutter schon getroffen?
Por cierto, Acha, ¿viste a tu madre?
Por cierto, Acha, ¿has visto a tu madre?
Au fait, Acha,
tu as pu voir ta mère ?
Comunque sia, Acha,
Falando nisso, Acha.
Слушай, Атя, а ты встретилась с мамой?