04/10/2025
A very interesting thing about Ish*tani Matsutarō has recently come to light. In a document from the Kuroda family archive (慶応三卯年日記), we find the following report:
“I, Ish*tani Matsutarō of my unit, was this time ordered as an official courier to Edo. On the ninth day, at the hour of the dog [around 8 p.m.], I departed, having been instructed to make haste and complete the journey within five days. However, at the Ōigawa River and the Arai checkpoint, night crossing was not permitted, and there were many difficulties with the relays (horses and post stations). As a result, my arrival was delayed by two days. I have now arrived and hereby submit this notice.”
This was written in the summer of 1867, when Ish*tani was around 23 years old, just as the Tokugawa shogunate was collapsing and the Akashi Domain hurried to reorganize its militia forces and was possibly rushing secret reports to Edo.
According to the text, Ish*tani served as an 'goshu [or ote] hikyaku' [御手飛脚], a hand courier of the authorities - apparently one of the most trusted messengers in the late Edo period. They carried official documents, orders, and intelligence between Edo, Kyoto, Osaka, and the domains. Unlike the regular hikyaku, which could be commoners hired as runners, the goshu hikyaku were often samurai retainers, armed with swords and personally chosen for their endurance, literacy, discretion, and discipline. They bore the hand of authority, with direct and confidential messages from a lord or high official.
A skilled goshu hikyaku like this required extraordinary stamina, capable of traveling up great distances per day on foot or horseback, often through storms and dangerous terrain. They needed a mastery of geography, knowing every post station, ferry crossing (like the treacherous Ōigawa river that Ish*tani needed to get past), and checkpoint procedure. Above all, they needed loyalty and secrecy - a single leaked message could cost lives. Armed with sword and resolve, they had to be able to defend the documents, or die protecting them.
According to Takamatsu sensei, four years earlier Ish*tani fought in the Tenchūgumi uprising (1863) and fled to Iga, where he studied koppōjutsu and ninjutsu. We have no idea when or how he returned to Akashi, and whether or not he returned to Iga after the Meiji Restoration of 1868. But one thing is for sure - his ninjutsu training made him ideal for urgent, confidential missions amid the chaos of 1867.
If nothing else, his courier ride to Edo was a perfect test of the skills that he would later pass on to Takamatsu Tosh*tsugu.
Sources:https://da.lib.kobe-u.ac.jp/da/kernel/81009170/81009170.pdf
https://www.postalmuseum.jp/publication/research/docs/research_03_11.pdf
Big credit goes to Maier for finding the Kuroda clan document!
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