Minami Asaoka  

, 朝岡 みなみ

Rinko's childhood friend is Garnet, who is also a human partner of hers. Rinko is 14 years old and attends Junior High School. She belongs to the school's Kendo Club and comes from a family that owns an Okonomiyaki shop in the city suburbs. Rinko has a tomboyish personality and often uses her Kendo skills in various situations, although she admires her club senior Miyamoto.