The fierce life of Jinsuke Hayashizaki, a speedy swordsman and the founder of Iaido (battojutsu) who survived from the Sengoku period to the early Edo period! An amazing martial arts story by the master and student duo of original author Kazuo Koike and illustrator Takeshi Kanda! Published in "Comic VAN" (Geibunsha) from March 1975 to March 1976. Incidentally, Jinsuke Hayashizaki's disciples include legendary swordsmen such as Shigemasa Tamiya (founder of Tamiya-ryu) and Ujishin Sekiguchi (founder of Sekiguchi-ryu).