Boundary Interface Prime Field Devices(次元境界接触用素体Jigen Kyōkai Sesshokuyō Sotai) are artificially made human-like beings, with the zeroth believed to be created by Relius Clover, the first created by Relius Clover and Shūichirō Ayatsuki on a request by Yūki Terumi, and units 2-10 created by other companies and organizations. Noel Vermillion was the first and only subject from the Murakumo-types to contain the true power of Azure. This allowed her to become the only known complete Kusanagi. Noel is referred to as the first Prime Field to contact the Master Unit.