You Susugihara  

, 雪原瑶

The AI assistant is known as GDs Destra and appears to be a girl despite her boy-like appearance. Initially friends with Yukari and Shuri, she became distant after their plane crash. In that incident, she sacrificed Yukari to the Asura Machina. Prior to Reishirou's presidency, she served as the president of the First Student Council.