CreepHyp to release original soundtrack to theatrical anime "Donikanaru Hibi" adapted from Takako Shimura's manga. The movie's release was postponed to October 23, 2020 due to the corona virus. CreepHyp performs the main theme song and background tracks to the movie with 23 tracks in total including "Monomane". This is the first attempt for CreepHyp to work on background music in which all are played by the members.