History of Ninjutsu: Iga and Kōga
“Differences Between Iga and Kōga” (Page 118-121) from the book Ninjutsu Sono Rekishi To Ninja by Heishichirō Okuse. When considering the origins of the Kōga ninja clans, two key points stand… Read More »History of Ninjutsu: Iga and Kōga




