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...
Now you're going to be my sandbag!
!الآن ستصبحين كيس الرّمل الخاص بي
Du wirst mein Sandsack werden!
E ora sarai il mio sacco da boxe!
Agora você vai virar
meu saco de pancadas!
Теперь ты станешь моей грушей для битья!