永山絢斗
Mishima Shoichiro [Hatsune's childhood friend]
行平あい佳
Matsumoto Yumika [Violinist]
恒松祐里
Tanioka Kanna [Hatsune's sister]
津田健次郎
Motomiya Yuichi [City council member]
Katsuhisa Namase
Tokiwa Shusuke [Asahi's father]
岡部たかし
Onoda Hayate [General manager]
原日出子
Takashina Aiko ["Takashina Symphony Orchestra" owner]
渋川清彦
Fujitani Yoji [Timpanist]