北条忍者 Hōjō Ninja (Page 116-117) from the book Bessho Rekishi Dokuhon Vol. 72 – Shinobi no Mono 132-nin Data File. Written by 清水昇 Shimizu Noboru (Writer). ▽ Hōjō Ninja –… Read More »History of Ninjutsu: Hōjō Ninja