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—.