Haruka Tomatsu
An internet radio show to promote "Waiting in the Summer" called had a pre-broadcast on December 26, 2011. It ran for 12 weekly broadcasts between January 16 and April 30, 2012. Produced by Hibiki Radio Station, the show was hosted by Haruka Tomatsu (the voice of Ichika Takatsuki) and Rina Hidaka (the voice of Rinon).