**Height:** 172 cm Mai Igarashi is a fifth grader at Momohana Elementary Schoo. She is quite tall for a 10-year-old elementary school student and has a mature physique in many ways. She refers to Tae as "Onee-chan" and displays her affection for her in a variety of ways. She always acts tenaciously, but as is typical for a child, she occasionally reveals the more sensitive side of her mind.