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.
If I were to move into human 
lands and take in two children,
‫إن انتقلت إلى أراضي
‫البشر وقمت بتربية طفلين،
¿Imaginas el caos
que habría causado si me mudara
¿Imaginas el caos
que habría causado si me mudara
Imagine seulement la panique
que je provoquerais
Se mi fossi trasferito nella terra degli umani
e avessi preso con me due bambini,
Se eu me mudasse para terras
humanas e criasse duas crianças,
Представь, какой хаос бы начался,