Nana Mizuki's voice turns a simple children's song into something that feels like a lullaby for adults. The animation matches that gentleness, no drama, no tension, just a bat moving through a quiet world with manners and grace. One episode is enough to reset you.

A single-episode music video set to a song performed by Nana Mizuki. The song appeared on Minna no Uta, a program broadcast by NHK.