An OVA bundled with the seventh manga volume.

Suguru wins some tickets to Okinawa in a shopping mall lottery, so the whole gang plan to go on a trip there. To prepare for the trip, the girls practice being on an airplane and go to a convenience store to buy some travel things. Meanwhile, Renge is very thoughtful about how the trip may change her view on the world, spending the evening before the trip giving her farewells to the countryside. The next day, everyone sets off on their flight to Okinawa.

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.

An OVA bundled with the special edition of Atto's spin-off manga Non Non Biyori Remember.