DVDs in Japan are region 2, and won't have English subtitles usually. The movie has been licensed here in the U.S. for a couple of years I believe. You can buy it here
Amazon.com: Last Quarter: Movies & TV: Chiaki Kuriyama,Hiroki Narimiya,Tomoka Kurokawa,Motoki Ochiai,Ken Ogata,Ayumi Ito,Maki Meguro,Yasuko Tomita,Takanori Jinnai,Tsuyoshi Ujiki,Nao Omori,Anna Nakagawa,Hideto Takarai,Reika Kirishima,Simon Britton,Ken