Q-MHz is writing, composing, and arranging the ending theme song, and eba is also arranging.
Lozareena is performing the show’s opening theme song “Good Night Mare,” and lead voice actors Atsushi Abe and Yūichi Nakamura are performing the ending theme song “Nichijōshiki Broken down.”
Kadokawa republished the 10 novels in 2008-2014, and published two spinoff novels for the series in 2009 and 2012.
The novels’ story centers on Yūshi Inaba, a 16-year-old boy whose parents died three years ago.