Nanachi

Nanachi is a Narehate; a person who survived the 6th Layer's Curse and was left deformed as a result, but, unlike most other Narehate, still retained a sound mind.[1] Possessing vast knowledge of The Abyss (its ecosystem, vegetation, and even the use of the medicines), Nanachi is currently a member of Hello Abyss(And one of the main characters of Made in Abyss),on a journey to the bottom of The Abyss.