Счастливая музыка

Animated music video for Happy Around!'s Happy Music♪. The track is the title song of their first single with the same name. It was also used as an insert song in the final episode of the D4DJ First Mix anime. This music video initially released on D4DJ's official YouTube on April 17, 2020. It was later re-uploaded with a CM recut on October 23, 2020. (Source: AniList)