**Species**: Narehate Mitty is an amorphous Narehate who lived with Nanachi on the 4th layer of the Abyss. Mitty had been a regular human girl in the past and her appearance changed due to the result of the ascension from the 6th layer.

Spoiler

In Ilblu, it is revealed that Belaf paid compensation to have an exact replica of Mitty born into the village from the time a "masked man" brought her along to the village. This reproduction even has an exact copy of Mitty's soul from that moment in time.