Final Cut.

When Keisuke Nakamura was a high school student, his mother was accused of killing a girl and then his mother committed suicide. 12 years later, Keisuke Nakamura tries to find the girl's real killer and also take revenge upon those responsible for his mother's suicide. He targets people from the media who covered the case and he crosses paths with sisters who hold a key to what happened. Keisuke Nakamura falls in love with one of the sisters.