Nobuo Takeuchi

愛妻のカナ、3歳の息子とともに幸福な日々を送っていた、平凡なサラリーマンの谷口。ところがある日、スキンヘッドの謎の男性2人組が、街で買い物をしていた彼ら一家を突如襲撃。2人組は、彼の息子を拉致誘拐しようとして谷口をすっかり翻弄。どうにかその場では息子を無事取り戻したものの、その後またしても姿を現わした2人組に今度は谷口自身が誘拐され、奇妙な人体実験を施された彼は次第に鋼鉄製の人間銃器と化していく。

Takatou Masaki is the second youngest of four sons, and seemingly a delinquent by nature. His hot temper has put a wedge between himself and his strict father, gotten him kicked out of one school, and tossed him at a school notoriously horrible for the one thing he's truly good at, basketball. A chance encounter with the willful Yuuki Kanako may serve as a catalyst for change, as the indefinable connection she feels with him draws them together...