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.
| Directing | Norio Kajima | Director |
| Writing | Takawo Yoshioka | Screenplay |
| Visual Effects | Hideki Hashimoto | Animation Director |
| Camera | Takashi Azuhata | Director of Photography |
| Production | Saburou Oomiya | Producer |
| Sound | Kouichi Iizuka | Sound Director |
| Sound | Hikari Okamoto | Theme Song Performance |
| Visual Effects | Mayumi Watanabe | Character Designer |
