Music video for the song Doremifa Rondo by 40mP featuring Miku Hatsune.

Theme Song Arrangement, Theme Song Composition, Theme Song Lyrics: https://myanimelist.net/people/22359/40mP Animation Director, Key Animation: https://myanimelist.net/people/29147/Tama Theme Song Performance: https://myanimelist.net/people/15205/Miku_Hatsune --- Cover image uploaded to Danbooru on same day as the music video, likely copied from artist's pixiv (which has since been wiped): https://danbooru.donmai.us/posts/1077855 Tumblr re-upload by artist: https://tamak0sg.tumblr.com/post/44796318583