Mio Hoshiyama

Mio Hoshiyama is Musashi's longtime friend, supporting him since they met at their village school and regularly looking out for both Musashi and Suguru. She can become jealous when Musashi meets new girls, but that jealousy fades once she befriends them. Mio is also Yun's friend and believes he is innocent of stealing Kuki's lure.