Ep. 1: Ban viaja para a Floresta do Rei Fada em Britannia para encontrar a Fonte da Juventude.

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Somewhere in northern Britannia, Ban arrives at the Fairy King's Forest in search of the Fountain of Youth. He quickly climbs up the large majestic tree, and ends up meeting a mysterious young girl whom he ignores initially. He decides to ask her who she is, only to discover that she was the Guardian Saint protecting the fountain. (Source: Nanatsu no Taizai Wikia)