Ninja Bugeicho KagemarudenNinja Bugeicho Kagemaruden.

Ninja Bugeichō: Kagemaru Den (Japanese: 忍者武芸帳 影丸伝, Hepburn: Ninja Bugeichō: Kagemaru Den; 'Ninja Martial Arts Handbook: The Legend of Kagemaru') is a Japanese manga series written and illustrated by Sanpei Shirato. It was published as kashi-hon between December 1959 and October 1962, in seventeen tankōbon volumes. The series incorporates historical materialism, realistic drawings, and allegorical themes that made it popular among the youth of the sixties.