Manga Time
The manga by bb Kuroda began serialization in "Manga Time Kirara Carat" from October 28, 2008. Eleven tankōbon volumes have been released as of November 25, 2020. An anthology comic featuring guest authors was released on June 27, 2011. A prequel manga series, "A Channel ~days in junior high school~" began serialization in "Manga Time Kirara Carino" magazine from January 27, 2012.