Rin Naki, known as Kamen Rider Naki, is a Humagear character in the series Kamen Rider Zero-One. As a member of MetsubouJinrai.net, Naki is an emotionless and highly skilled hacker who plays a key role in the group's activities. Over time, Naki develops a sense of individuality and struggles with their programming versus personal autonomy. Their journey explores themes of identity and free will, making Naki a complex and compelling part of the Kamen Rider Zero-One storyline.