Tatebayashi(館林; Tatebayashi); alias Nonko Akita(秋田飲子; Akita Nonko) is a tanuki Youkai with shapeshifting abilities and a servant under Mu and Kurama in the Highschool DxD: Яe-birth continuity. She's introduced during the events of Volume 10 as a messenger of Mu to Kurama.