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.
Ayane Sakura
Natsumi Koshigaya (voice)Rina Sato
Kaede Kagayama (voice)Kaori Nazuka
Kazuho Miyauchi (voice)Rie Murakawa
Hotaru Ichijou (voice)Kana Asumi
Komari Koshigaya (voice)Ryoko Shintani
Konomi Fujimiya (voice)Misato Fukuen
Hikage Miyauchi (voice)Kotori Koiwai
Renge Miyauchi (voice)