This is an animated music video for Happy Around!'s song Happy Music♪. The track serves as the title song for their debut single, which shares the same name. It was also featured as an insert song in the final episode of the D4DJ First Mix anime. The music video was first released on D4DJ's official YouTube channel on April 17, 2020. A version with a recut commercial break was later re-uploaded on October 23, 2020.