Miiko Yamada  

Miiko, 山田みい子,

The main character of the series is named miiko, she's an energetic fifth-grader with a small stature that makes her appear younger than her actual age. she enjoys eating but tends to gain weight quickly as shown in many episodes. her closest friends are shimura mari and yuuko ogawa. miiko frequently spends time with them or gets into arguments with tappei, who seems to have a crush on her although he was too shy to express it directly. instead, he would tease her and sometimes irritate her.