Shoot the Boss: Hunt the Enemy (2007)

Young Shima member Wataru Jōjima (Hitoshi Ozawa) witnesses the loss of his boss, Takeo Shima (Jerry Fujio), right before his eyes. Left adrift, Jōjima visits Akebono Academy, a care facility frequently visited by Shima. There, he encounters Sanae Ikushima (Eri Takahashi), a young girl Shima had been looking after—.