Cube Japanese Movies with English Subtitles

6 people are locked in a mysterious cube shaped room. These 6 people are: 29-year-old engineer Yuichi Goto (Masaki Suda), 37-year-old association employee Asako Kai (Anne Watanabe), 31-year-old Freeter Shinji Ochi (Masaki Okada), 13-year-old.