Original Anime
Haru Matsu Waltz
A music video for Haru Matsu Waltz by Kiyomaru Tougou, animated by Mirai Mizue.
Haru Natsu
Music video for the song Haru Natsu by Ayumi Shigemori that was featured on NHK's Minna no Uta program. It features a blend of live-action scenery and animation by Kouji Nanke.
Haru Natsu Aki Fuyu
Music video for the song Haru Natsu Aki Fuyu by Muneyuki Satou that was featured on NHK's Minna no Uta program.
Haru no Kaze
Music video for the song Haru no Kaze by the Tokyo Arakawa Shounen Shoujo Gasshoutai that was featured on NHK's Minna no Uta program. It is considered to be lost media.
Haru no Niji no Soushiki
One summer day Haru the older twin of Aki dies in an accident. On the day of her funeral her Teru Teru Bouzu begins to move leading Aki on an adventure to discover that after the rain of sorrow, a rainbow of hope hangs over head.
Independent animation by Tomotaka Hoshi.
(Source: AniList.co)
Haru wo Yobu Yume
A boy takes a walk outside as he notices little bits of spring starts to appear. Though in the end, it turns out he is merely dreaming it and winter is at its peak.
The music video was re-aired after 44 years due to being lost media. The Minna no Uta Hakkutsu Project (Minna no Uta Excavation Project) was able to find discover a copy of the original audio, as only the animated footage was originally saved by the NHK in the 70s.
(Source: MAL)
Haruka ni Chou wa
Music video for the song Haruka ni Chou wa by Saori Yuki that was featured on NHK's Minna no Uta program. It is considered to be lost media.
Kappa no Kui Kuo Kua
Music video for the song Kappa no Kui Kuo Kua by Japanese vocal group Duke Aces and actress Nobue Ichitani that was featured on NHK's Minna no Uta program. The video was animated by Yoji Kuri.
The video aired in 1975, but was considered lost media some time later. It was recovered thanks to the Minna no Uta Hakkutsu Project.
Kanshajou
Music video for the song Kanshajou by Reiko Sada that was featured on NHK's Minna no Uta program.
Ahiru to Shoujo
Music video for the song Ahiru to Shoujo by Kurumi Kobato that was featured on NHK's Minna no Uta program.
Hasami Togi (1974)
Music video for the song Hasami Togi by Masanori Tomotake and the Suginami Jidou Gasshoudan, that was featured on NHK's Minna no Uta program. It features the same song from the original broadcast, but with an entirely new video in color and other changes.
Yowamushi Chinsengumi
The short is the third Hana Yori Dango short about Dangonosuke the samurai boy. In the story, Dangonosuke rescues a woman captured by bandits.
(Source: Anime News Network)
Yowamushi Mont Blanc
Music video for DECO*27's Vocaloid song "Yowamushi Mont Blanc" featuring Gumi, with animation by akka.