Sinopsis
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.
Pemeran
xiao yan jingkotori
Renge Miyauchi (voice)
a cheng jia nai
Komari Koshigaya (voice)
cun chuan li yi
Hotaru Ichijou (voice)
zuo cang ling yin
Natsumi Koshigaya (voice)
xin gu liang zi
Konomi Fujimiya (voice)
zuo teng li nai
Kaede Kagayama (voice)
fu yuan mei li
Hikage Miyauchi (voice)
ming zhong jia zhi
Kazuho Miyauchi (voice)