This is lost media that shouldn't be, a single music video so perfectly executed that its disappearance feels like a genuine wound to Japanese children's television history. The song itself moves with the kind of simplicity that only reveals its craftsmanship on the fifth listen, the kind of melody NHK knew how to commission before streaming flattened everything into the same register. Hunting for it now means chasing something that existed, mattered, and left almost no trace. That gap between importance and absence is exactly why it deserves to be found.

Yamadera no Oshou-san is a one-episode music video made for the Bonny Jacks song of the same name, which aired on NHK's Minna no Uta program. The video is now regarded as lost media.