Mio Mizukoshi (水越 澪, Mizukoshi Mio) is the supporting character of the series. She is a third-grader and noted to be Ai Hinatsuru friend.
Mio has brown hair and brown eyes. She is wearing a red jacket and brown shorts.
Mio gives the impression that her general attitude is cheerful and energetic third-year elementary school student.
|Main Characters||Ai Hinatsuru • Ai Yashajin • Ginko Sora • Keika Kiyotaki • Yaichi Kuzuryuu|
|JS Research Club||Ayano Sadatou • Charlotte Izoard • Mio Mizukoshi|
|Minor Characters||Akina Hinatsuru • Ayumu Kannabe • Kousuke Kiyotaki • Takashi Hinatsuru|