In the last chapter of the Refrain Blue series, the bond between Yoshihiro Matsunaga and Nao Morisawa grows stronger, while Yoshihiro finally finds out the identify of the mysterious girl from the first chapter.
小西克幸
as Yoshihiro Matsunaga (voice)
菊地由美
as Nao Morisawa (voice)
園崎未恵
as Mikage / Mysterious Girl (voice)
浅野るり
as Yuori Kawana (voice)
内川藍維
as Shizuka Hayase (voice)
石川静
as Chinatsu Iwasaki (voice)
安達まり
as Tsugumi Tsugashima (voice)
