Southbound (サウスバウンド) is a 2007 Japanese movie directed by Yoshimitsu Morita and starring Toyokawa Etsushi and Yūki Amami. Based on the novel of the same name by Hideo Okuda, it tells the story of a schoolboy whose family moves from Tokyo to Okinawa. It began filming in May 2007 in Tokyo; the crew went to Okinawa for on-location filming at the end of June. Its theme song is "Eien no Uta" by Nakashima Mika.

Cast