Uzoi  

, ウゾイ

The harpy named Uzoi accompanies Haitora in their quest to discover a remedy for his ongoing illness. She possesses medium-length, cyan hair and exhibits avian characteristics such as white feathers surrounding her large green eyes, along the sides of her head, arms, and back. Furthermore, she has tridactyl feet and dons attire that showcases her distinctive physical attributes, which can transform into wings for flight.