Mitsu Murata

The year is 2084 and the human race is fighting an alien militia to save the last remnant of civilization. A young heroine name Milly (Suzuki) escapes the war and jumps back in time to present-day Japan in an attempt to change history and prevent the demise of her people. (Destination Films)

Juzo Murasaki (Shun Oguri) is a young man traumatized by his experience of bullying at school. He returns to his hometown and takes a job on a building site with his old nemesis Toru Akai (Hirofumi Arai). But Juzo's trauma has created a monster; he harbors a second personality, Neighbor No. 13 (Shido Nakamura), a vicious, brutal and disfigured character intent on exacting a painful revenge on his bully. (asianwiki.com)

The films pits a gang of idle teens joined only by their shared love of karaoke against a group of middle aged women, likewise joined by a love for karaoke, in an escalating cycle of vengeance when one of the teens tries to pick up one of the women on a whim and reacts with bloody violence when he thinks she is mocking him in her rejection. (AsianMediaWiki)