Nanachi is a key character in the anime series 'Made in Abyss.' With their unique appearance, featuring rabbit-like ears and fur, they stand out as a Narehate, a being deformed by the Abyss's curse. Nanachi plays a crucial role as a knowledgeable guide and ally to the protagonists, Riko and Reg. Their deep understanding of the Abyss and medical skills are invaluable throughout the journey. Despite their past traumas, Nanachi remains strong and compassionate, making them a beloved character with a mysterious and intriguing backstory.