Name:Mayuko "Mayu" Shiraki
Age:Unknown
Mayu is Tohru, Kyo, Yuki, Hanajima, and Uotani's homeroom teacher. She was Kana's (Hatori's former girlfriend) best friend. She met Hatori, Shigure and Ayame through Kana. She wishes for both Hatori's and Kana's happiness, and also wonders if she, too, will be able to find happiness.