井上麻里奈
An Internet radio show to promote the "Akaneiro ni Somaru Saka: Parallel" called began broadcasting on April 2, 2008, and is distributed on Nico Radio. The show is streamed online every Thursday, and is hosted by Rikiya Koyama and Ryō Hirohashi who voice Seijirō Sugishita and Nagomi Shiraishi from the visual novel. There are seven corners, or parts, to the show that each episode is divided into. Several voice actors from the visual novel have appeared on the show as guests who include Erino Hazuki (as Mikoto), Marina Inoue (as Tsukasa), Miyuki Hashimoto, Emiri Katō (as Karen), and Kaori Fukuhara (as Aya).