* Based on Oomori Fujino's light novel series.

The Hestia Familia faces an unparalleled crisis when Bell encounters an injured vouivre (dragon-type monster girl) in the Dungeon...one who can talk. His decision to protect the girl, who will come to be called Wiene, upends everything he and his Familia thought they understood about monsters and threatens to put them at odds with Orario as a whole. But Wiene is just part of greater schemes concerning talking monsters, schemes which Hestia Familia will soon find themselves at the heart of.

Source: ANN

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Prequel: Dungeon ni Deai o Motomeru no wa Machigatte Iru Darouka: Familia Myth II
Sequel: Dungeon ni Deai o Motomeru no wa Machigatte Iru Darouka: Familia Myth IV