Dragon Quest: Dai no Daibouken

(Esta sinopse está em inglês. Ajude a comunidade traduzindo!)

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Before his adventure begins, Dai lives in peace as the lone human among monsters on Dermline Island. While he dreams of becoming a hero, a group of fakes shows up to kidnap the Golden Metal Slime! Then, when Princess Leona arrives in need of a hero, Dai is ready to answer her call...but he needs more training! Will a tutor come along to help him?

(Source: VIZ Media)