真田忍者 Sanada Ninja (Page 122–124) from the book Bessho Rekishi Dokuhon Vol. 72 – Shinobi no Mono 132-nin Data File. Written by 永岡慶之助 Nagaoka Keinosuke (Writer). The protagonists of “立川文庫 Tachikawa Bunko”… Read More »History of Ninjutsu: Sanada Ninja