Ms. Itō

Ms. Itō (伊藤先生 Itō-sensei) is the teacher at the nursery who often berates the Principal for being as silly as the children.

Trivia

 * The surname Itō means "this" (伊) (i) and "wisteria" (藤) (tou).
 * Itō is an alternate transcription of Itou.