![](https://cdn.animecharacters.io/images/characters/large/91107-1216dd9a.jpg)
Mitsuko Taniguchi (谷口 みつ子)
Mitsuko Taniguchi is Harumi's older sister and a graduate at Aihara Academy, where she was the first Student Council president. No voice actors have been added to this character. Help improve our database by searching for a voice actor, and adding this character to their roles .