A few days after transferring in, Hotaru and the others play a game in which they try to knock each other’s rulers off a table. Later, Hotaru gets lost while walking her dog Pechi, but manages to get pointed back towards home thanks to Pechi’s scent. Afterwards, Hotaru goes with Komari to watch the stars together, but run into trouble when their flashlight runs out of battery before they head back. Thanks to a wayward bottle cap Komari dropped, they soon manage to make their way back home.

An OVA bundled with the tenth manga volume.

On a Winter day, Hotaru has fun creating all kinds of things with the snow, which end up triggering a chain reaction of mishaps for Komari. During Spring, Hotaru goes to the candy store by herself and ends up making cookies with Kaede. On the last day of Summer, the girls use various senses to try and give Komari a pleasant dream. Finally, during the Autumn, the girls go to the woods to collect fruit, where Komari comes up against a flying squirrel.