Red  

Red (Cinema Ver.), Kagerou Daze: In a Day's Theme Song

The song "Red" by GOUACHE serves as the opening theme for Kagerou Daze: In a Days. This music video was released on November 3, 2016 via IA Projects' official YouTube channel and promotes the film's release. Although it is not included in the DVD/BD version of the franchise, the body of the video provides an overview of the entire series to prepare viewers for the upcoming movie release.