Meotoike (女夫池, Meotoike) is a math teacher at Kamioka East Middle School and homeroom teacher of class 2-4.
Meotoike has short black hair that is slicked back, with a single strand hanging down the centre of her forehead. She wears oval shaped glasses.
Not much is shown about Meotoike's personality as she is only shown to have spoken once throughout the series.
The day after meeting Kiriha, Kazuya Kagami rushes to class hoping to make in on time only to be told he is late by Meotoike.
She is one of the teachers Shirou Shiramine fantasizes about when thinking of teachers to have as advisors to the Counselling Club.
When Sunao Sumeragi transfers to the school, she is put in Meotoike's class and Meotoike has Sunao introduce herself.