のんのんびより 沖縄へ行くことになった
のんのんびより 沖縄へ行くことになったSuguru Koshigaya, the brother of Komari and Natsumi, wins the grand prize in a lottery draw. The prize appears to be a ticket for four to Okinawa. As the girls are nervous for their trip, they prepare for their journey. This OVA was bundled with the 7th manga volume.