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.
Katsuyuki Konishi
Yoshihiro Matsunaga (voice)
Yumi Kikuchi
Nao Morisawa (voice)
Mie Sonozaki
Mikage / Mysterious Girl (voice)
Ruri Asano
Yuori Kawana (voice)
Ai Uchikawa
Shizuka Hayase (voice)
Shizuka Ishikawa
Chinatsu Iwasaki (voice)
Mari Adachi
Tsugumi Tsugashima (voice)
