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…

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…

The first chapter of the Refrain Blue series, tells about the recollection of Yoshihiro’s past about various events of summer school, of the fate where encounter and separation are interwoven…