
Yuuna Matsumoto
松本友奈
Yuuna is Kouko Matsumoto's little sister who appears for the first time when Miyako Hoshino and Hinata Hoshino go outside to go shop.

松本友奈
Yuuna is Kouko Matsumoto's little sister who appears for the first time when Miyako Hoshino and Hinata Hoshino go outside to go shop.