Return to the magical and thrilling world of Britannia with this new adventure from the creator of The Seven Deadly Sins, the manga that inspired the No. 1 hit Netflix Original Anime! 
With the help of Captain Howzer, Percival and his friends have stopped the rampaging dragon in Cant. Now it's time to cross the dangerous Dalflare Mountain Range to reach Liones. But before long, the party is separated! When Percival and Donny rush to investigate a village and Sin the fox follows them in concern, Anne and Nasiens are held back by a man who warns them that the place is a "den of monsters!" Will Anne and Nasiens see their friends again, or is it already too late...?