26/03/2026
Today, on the 26th of March, we commemorate the 10th anniversary of the official shūmei-hiro (appointment-ceremony) of Ōtsuka Ryūnosuke Taira no Masatomo as the 7th generation sōke (headmaster) of the Hokushin Ittō-ryū Hyōhō and kanchō (principal) of the historic Chiba-Dōjō.
On this day in 2016, at the Nakano Sunplaza Hotel in Tōkyō, the leadership of our school was formally entrusted by the 6th sōke (headmaster), Ōtsuka Yōichirō Taira no Masanori, to his legally adopted son and successor, Ōtsuka Ryūnosuke Taira no Masatomo, who previously in 2014 received the Dai-Mokuroku / Menkyo-Kaiden, the license of full mastery and transmission of all physical, spiritual and theoretical teachings of the Hokushin Ittō-ryū Hyōhō.
This transmission of leadership within the main-line / sōke-line of the Hokushin Ittō-ryū was not only carried out by the 6th sōke (headmaster) Ōtsuka Yōichirō, but it was also explicitly entrusted and legitimized through his predecessor, the 5th generation sōke (headmaster), Chiba Hiroshi Taira no Masatane, which reflects the strength, legitimacy, and continuity of our school.
Founded in 1820 by Chiba Shūsaku, the Hokushin Ittō-ryū Hyōhō was safeguarded for nearly two centuries by the Chiba family as their karyū (family school). During the Edo period, two sōke (headmaster) lines within the Chiba family worked closely together: The Edo-Genbukan line established in 1822 through Chiba Shūsaku and a second sōke (headmaster) line of the Hokushin Ittō-ryū established through his younger brother, Chiba Sadakichi, who founded the Chiba-Dōjō in 1848. During the Bakumatsu period (1853-1868), the Chiba-Dōjō grew into the largest dōjō (training hall) of its time and functioned as the official sibling sōke (headmaster) line to the Genbukan line. For decades, both sōke (headmaster) lines coexisted in close cooperation, sharing responsibility for the preservation and transmission of the Hokushin Ittō-ryū. In 1917, these sibling sōke (headmaster) lines were formally unified when Chiba Eiichirō, son of the 5th and last Edo-Genbukan sōke (headmaster), Chiba Shūnosuke Yukitane, relinquished all responsibilities and entrusted the sole leadership of the Hokushin Ittō-ryū to the Chiba-Dōjō family line, ensuring a single, uninterrupted line of legitimate succession and responsibility for the Hokushin Ittō-ryū thereafter.
This stewardship of the school continued until 2013, when Chiba Hiroshi, the 5th generation sōke (headmaster) of the Hokushin Ittō-ryū Hyōhō, entrusted the future of the school to the Ōtsuka family, an old buke (samurai family). The lineage was entrusted to the 6th sōke (headmaster), Ōtsuka Yōichirō, one of the last shihan (masters) of the Hokushin Ittō-ryū, who had devoted his live to the school and mastered its teachings in their entirety. Previously, through rigorous study, Ōtsuka Yōichirō was awarded the dai-mokuroku / menkyo kaiden (the school’s highest license of transmission and mastery) by Konishi Shigejirō of the Noda-ha Hokushin Ittō-ryū at the Otaru-Genbukan.
As the direct successor of our ryūha’s kaiso (founder) Chiba Shūsaku, the 7th generation sōke (headmaster) Ōtsuka Ryūnosuke upholds, preserves and protects the unbroken transmission that embodies both the technical and spiritual essence of the Hokushin Ittō-ryū in its original form up to the present day.
This appointment ceremony in 2016 also marked a historical milestone: for the first time in history, a non-Japanese person was formally entrusted with the leadership of a koryū (old samurai school) as sōke (headmaster).
We remember with deep gratitude the distinguished guests who attended the ceremony and honored this occasion. Among them were leading figures from various classical martial traditions, cultural arts and famous samurai families. At this point we also want to express our heartfelt gratitude to all members of our school, to the various other ryūha which work closely together with us in Japan and abroad, and to all the people who are actively contributing to the preservation and protection of the Hokushin Ittō-ryū Hyōhō worldwide.
As we mark this 10-year anniversary, we reaffirm our commitment to the preservation, transmission, practice, and protection of the Hokushin Ittō-ryū Hyōhō in its authentic form. With respect for our predecessors and the responsibility towards future generations, we will continue to uphold the principles and values of this karyū (family school) which was established through Chiba Shūsaku and his younger brother Chiba Sadakichi in 1820.
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