Takumi and the children helped the merfolk and were generously rewarded. They head to a small island to finally master water magic, but then they encounter a strange monster.
I hope they didn't reveal 
who we really are...
‫آمل ألا يكونوا قد كشفوا
‫عن هويتنا الحقيقية...
Sie wissen doch wohl nicht
von unserer wahren Identität?
Espero que no revelara quiénes somos…
Espero que no desvelara quiénes somos…
Il n’aurait pas révélé
notre identité, au moins ?
Spero non abbia rivelato la nostra vera identità.
Eu espero que não tenham
revelado quem somos...
Надеюсь, они не в курсе, кто мы...