A boy travels with some animals, a frogs croak is explained, and the fountain of youth is found.
What, you didn't know we're going to 
Demon Island to defeat the demons?
¿No sabían que iremos a Onigashima 
a derrotar a los demonios?
¿No sabíais que iremos a Onigashima 
a derrotar a los demonios?
O quê? Vocês não sabiam que íamos 
para a Ilha dos Demônios derrotá-los?