These specials aren't filler, they're the show distilled to its purest form, five minutes of watching a man and a girl exist together in the space between episodes. The seasonal art design shifts so deliberately you can feel time passing, each special timed to the main series like chapters of a single long breath. If you watched Usagi Drop and wanted to live in that warmth longer, this is how.
Rin and Daikichi's quiet life together continues in four short specials that fit between episodes of the main story, originally included with the home video volumes. One morning Rin is busy making fish out of autumn leaves, and Daikichi encourages her by helping her learn about the varied creatures of the sea. The pair also spend their first Christmas together getting ready for Santa and his reindeer. When the cherry blossoms peak, Rin hopes to go flower viewing with Daikichi, Kouki and Yukari Nitani, though a spring storm in the forecast puts the outing at risk. After a summer festival, a still lively Kouki wants to keep exploring, so Daikichi leads the group on a brief detour before heading home. These are gentle slice-of-life vignettes built around small, everyday moments.