At first, he appears as the strongest villain who controls the backstage of YAGYU, then after going through the fights with the hero, Seiichiro MATSUNAGA, in the latter half of "Kakuresato Kugaiko," the character of his role changes greatly; however, regretfully, the author's sudden death left the series as a whole incomplete.
当初は柳生の裏を統べる最強の悪役の役回りで登場、主人公・松永誠一郎との闘いを経て『かくれさと苦界行』の後半にはその役回りは大きく変化してゆくが、惜しくも作者の急逝によりシリーズ全体としては未完に終わった。