What Hollywood left out
The popular image of Ninjutsu — black-clad assassins, smoke bombs, throwing stars on rooftops — is mostly a 20th-century invention. The actual historical Ninjutsu schools of Iga and Kōga were something else entirely: warrior-mystics whose training combined battlefield arts with mountain ascetic practice, esoteric Buddhism, and what we would today call shamanic disciplines.
The Taguchi Lineage preserves a thread of this older Ninjutsu. Not the stage version. The living transmission.
Historical roots
The historical Ninjutsu schools emerged in central Japan during the Sengoku period. Iga and Kōga were the two main regions — each with its own clans, its own famous masters (Hattori Hanzō, Momochi Sandayū, the great Jōnin), and its own training scrolls. The three classical documents — Bansenshūkai (1676), Shōninki (1681), and Ninpiden — give us a written window into what these practitioners actually did.
What strikes anyone reading them carefully is how much of the training was inward. Yes, weapons. Yes, stealth. But also: meditation, breath work, the nine syllables of Kuji Kiri, and a developed understanding of how mind, breath, and movement interlock.
The Taguchi Lineage
The full name of the lineage is Taguchi-Ryū Nyoken Nyohen Jutsu — "the art of the soft, transforming blade." The name itself tells you the orientation: movement as response, not as aggression. Sensitivity, sensing, adapting — these are the technical hallmarks of the lineage.
Dr. Mark Hosak received the full transmission from Grandmaster Taguchi Sensei in Japan over many years. The succession means: not only the technical curriculum, but the depth of the spiritual transmission, including the operative knowledge of Kuji Kiri as it is practiced inside the lineage.
The Taguchi Lineage stands parallel to the Bujinkan tradition (Hatsumi Sensei's school). Both are real, both alive, both authentic — but they grew from different soils. The Taguchi Lineage carries its own synthesis: Ninjutsu at the core, with Wing Chun for close-range refinement and Filipino Escrima for weapons depth, all bound together by Kuji Kiri as the spiritual axis.
The mediumistic dimension
What sets the Taguchi Lineage apart from many martial arts traditions today is the explicit emphasis on the mediumistic dimension. After years of disciplined practice, the spirits begin to teach. Techniques flow through the practitioner that they have never seen, never been taught, never invented. This is not metaphor. It is what Mark experienced under Taguchi Sensei's transmission, and it is what he carries forward.
You do not see this in the first weeks of training. You may not see it in the first years. But the path is set up so that this dimension can open — and when it opens, the technique becomes alive in a different way.
For whom this path is intended
This is not training for sport. It's not for self-defense in the conventional sense. The Taguchi Lineage is for someone who has felt — perhaps since childhood — that there's something real behind the imagery of warrior-mystics in anime, in the old Japanese stories, in the films that touched something they couldn't quite name.
If you watched Naruto and felt — beneath the surface — that the nine hand seals were pointing at something real; if you've sensed that Demon Slayer's invocations of spirits carry a thread of actual tradition; if Jujutsu Kaisen's sorcerers feel more real to you than they should — this is the tradition that lies behind those imaginings.
The practice today
The Taguchi Lineage is transmitted in live initiation, not from books or online courses. The body-work, the weapons curriculum, the Kuji Kiri — all of it requires hand-on-hand transmission. This is not gatekeeping. It is how the operative knowledge stays alive.
For English-speaking practitioners interested in the Kuji Kiri side of this tradition, the home community is the Japanese Grimoire Society. That is where Mark Hosak shares the operative material with serious students worldwide.