Ai Kayano
During the run of the series, Maaya Uchida and Yuki Kaji, the voice actors of Futaba and Kou, hosted an hourly online radio show titled "Aoharadio", which aired every two weeks for six sessions. The guests featured on the radio show included Mikako Komatsu, Shuko's voice actress, in the third session; Ai Kayano, Yuri's voice actress, in the fourth session; Daisuke Hirakawa, Mr. Tanaka's voice actor, in the fifth session, and KENN, Kominato's voice actor, in the sixth session. A CD compiling all sessions was released on 24 December 2014, with an unaired seventh session featuring Yoshitsugu Matsuoka, Toma's voice actor, as a guest.