Set in post-war Okinawa, Japan, Gusuku had 3 close childhood friends: On, Yamako and On’s younger brother Rei. On was the oldest of the group and he was like a…

Kanako, a college senior, is torn between her unreliable ex Keishi and her steady new admirer Yoichi. As Keishi grows close to a freshman named Maiko, and Yoichi’s ex Aiko…