Young Dai lives on Dermline Island, where he dreams of being a Hero. One day, a Hero and his companions come to the island. Dai is excited at first, but their true intent is to steal his best friend, Gomechan, the mythical Golden Metal Slime.
Sir Brass, it is I who should
beg for forgiveness.
.سيّد براس، أنا من ينبغي أن أطلب السّماح
Werter Brass, ich bin es,
der um Vergebung bitten muss.
Señor Brass, soy yo
quien debe rogar su perdón.
Señor Brass, soy yo
quien debe rogar su perdón.
Maître Brass,
c’est à moi d’implorer votre pardon.
Nobile Brass, sono io 
che devo chiedere perdono a voi.
Senhor Brass, eu é que devo pedir clemência.
Господин Брасс, это я должен
просить прощения.