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.
as Renge Miyauchi (voice)
as Komari Koshigaya (voice)
as Hotaru Ichijou (voice)
as Natsumi Koshigaya (voice)
as Konomi Fujimiya (voice)
as Kaede Kagayama (voice)
as Hikage Miyauchi (voice)
as Kazuho Miyauchi (voice)
