User blog comment:B214/Question and Answers 2/@comment-24098614-20140309233634/@comment-24053170-20140309234014

Its hard to say if kunou could become a member, especially considering she is in charge of all the youkai in kyoto when her mother is away, and other then the time the bandersnatch and jabberwocky attacked the underworld and the side story with her in ophis in academy uniforms, she hasn't had much time to spend with issei, so I kinda doubt she can become a member of his peerage.