As Izu is a character from the tokusatsu series Kamen Rider Zero-One. She is an artificial intelligence humanoid known as a Humagear, created to serve as an assistant. As Izu plays a vital role as the secretary and supporter to Aruto Hiden, the main protagonist and Kamen Rider Zero-One. She is known for her calm demeanor, logical thinking, and unwavering loyalty. As Izu’s development and relationship with Aruto are central to the series, highlighting themes of humanity and technology.