Refrain Blue 第1章 「緋色の追憶」
Yoshihiro Matsunaga (voice)
Nao Morisawa (voice)
Chinatsu Iwasaki (voice)
Tsugumi Tsugashima (voice)
Yuori Kawana (voice)
Mikage / Mysterious Girl (voice)
Shizuka Hayase (voice)
Ryouji Itou (voice)