The second chapter in the Refrain Blue series focuses on Nao Morisawa and the events that happened at the summer camp last year, with her and Yoshihiro Matsunaga both unable to let go of feelings of the past.
| Actor | Role |
|---|---|
| YYumi KikuchiNao Morisawa (voice) | Nao Morisawa (voice) |
 Katsuyuki KonishiYoshihiro Matsunaga (voice) | Yoshihiro Matsunaga (voice) |
 Mari AdachiTsugumi Tsugashima (voice) | Tsugumi Tsugashima (voice) |
 Daisuke KishioRyouji Itou (voice) | Ryouji Itou (voice) |
 Ruri AsanoYuori Kawana (voice) | Yuori Kawana (voice) |
 Shizuka IshikawaChinatsu Iwasaki (voice) | Chinatsu Iwasaki (voice) |
 Mie SonozakiMysterious Girl (voice) | Mysterious Girl (voice) |
 Ai UchikawaShizuka Hayase (voice) | Shizuka Hayase (voice) |