橋本みゆき
The background music for the series was composed by Acchorike, Kazuhiko Sawaguchi and Minoru Maruo. The prologue episode uses a single piece of theme music: the ending theme, titled "Mirage Lullaby", is performed by Yuria. The first season uses two pieces of theme music: an opening theme and ending theme. The opening theme, titled "You", is also performed by Yuria. The ending theme is "Innocence" performed by Miyuki Hashimoto.