Maiko Kotori (小都里 まい子)
She is the home room teacher in the class Shougo attends. Her personality is very aggressive.
Kono Naka ni Hitori, Imouto ga Iru!
Supporting
Kono Naka ni Hitori, Imouto ga Iru!: Ani, Imouto, Koibito
Grant, Tiffany
Noto, Arisa
