Hiyori Kusakabe

Hiyori Kusakabe is first shown as a co-worker of Kagami's at the Bistro La Salle.

Personality
She was involved in the meteor crash seven years ago along with Tendou. Due to the accident, her parents were killed. She believed that they were murdered by a person wearing a Rider Belt, but after a period of uncertainty she concludes that Tendou, despite owning the belt, would never do something like that. After seeing Gatack wear another belt and discovering that he was Kagami, she also began to doubt him. In the end however, she decides to trust both of them as they have helped her so much. She carries a green crystal that originated from Area X, ground zero of the meteor crash. She seems to be able to talk with and read the emotions of inanimate objects, such as drawings and machines. She's quite clumsy and tends to zone out while working, resulting in complaints by customers.

As Worm
Hiyori's alter ego, Sisyra Worm surfaced after Hiyori was in danger of being killed by Worms. Like Tadokoro, she is a Native who chose not to attack humanity.