On the seventh day of the first month of 1868, the newly empowered Meiji government issued an extraordinary order: the pursuit and punishment of Tokugawa Yoshinobu, the fifteenth and final shōgun. Just days earlier, his forces had been routed at the Battle of Toba-Fushimi. Now the man who had ruled Japan was officially a fugitive.

The speed of Yoshinobu's fall was breathtaking. Only weeks before, he had still commanded the loyalty of a significant portion of Japan's military forces. When the Restoration decree of the third day stripped the Tokugawa of their power, his outraged retainers — particularly the lords of Aizu and Kuwana — had marched on Kyoto with roughly 15,000 troops, vastly outnumbering the 5,000 Satsuma and Chōshū soldiers who held the city's southern approaches. Some of the shōgunate forces had been trained by French military advisers. On paper, the odds favored Yoshinobu.

But the Battle of Toba-Fushimi, fought from the third through the sixth day, was a disaster for the old regime. On the first evening, fighting broke out at the Koeda Bridge on the Toba road when Satsuma troops opened fire on approaching shōgunate forces. The initial clashes were inconclusive. But on the second day, everything changed. Iwakura Tomomi delivered orders from the emperor proclaiming Yoshinobu and his followers enemies of the throne and authorizing their suppression by force. The imperial brocade banner — the nishiki no mi-hata — appeared behind the defending lines. These weren't improvised. Ōkubo Toshimichi had secretly manufactured them months in advance and stored them in the Satsuma and Chōshū residences, waiting for the right moment.

To seal the transformation, Imperial Prince Yoshiaki — a twenty-two-year-old who had been living as a Buddhist monk at Ninna-ji temple and had no military experience whatsoever — was named commander-in-chief. It was pure symbolism. But it worked. The Satsuma-Chōshū alliance was now officially the kangun — the imperial army. Anyone who fired on them was a rebel against the emperor himself.

The psychological effect was devastating. Domain after domain defected. The lords of Yodo and Tsu, previously loyal to the shōgun, switched sides mid-battle. Meanwhile, the modern rifles and Armstrong artillery of the Satsuma-Chōshū forces tore through shōgunate formations — many of them still armed with pikes and swords. The Mimawarigumi, the shōgun's elite guard, charged Satsuma gunners with spears and were cut down en masse.

And then Yoshinobu did the unthinkable. At Osaka Castle, he gathered his advisors and commanders to plan strategy. To boost morale, he promised to personally lead the next fight. That evening, while his soldiers were still dying, the shōgun slipped out of the castle accompanied only by the daimyō of Aizu and Kuwana, heading for the harbor and the warship Kaiyō Maru.

But the Kaiyō Maru hadn't arrived. In a surreal twist, the last shōgun of Japan spent the night hiding aboard the USS Iroquois, an American warship anchored in Osaka Bay. The Kaiyō Maru picked him up two hours later, and Yoshinobu sailed for Edo.

His army woke to find their supreme commander gone. Demoralized and leaderless, the remaining troops abandoned Osaka Castle. Imperial forces marched in without resistance.

The pursuit order of the seventh day was, in a sense, a formality. Yoshinobu had already defeated himself. Some historians argue he fled deliberately to prevent further bloodshed — that he feared a prolonged civil war would invite Western colonization. Others see something simpler: a man who lost his nerve when the emperor's banner appeared on the other side.

Whatever the reason, the choice was final. Through the diplomacy of Katsu Kaishū, Edo Castle was peacefully surrendered on April 11, sparing the city from destruction. Yoshinobu was confined first to Mito, then to Shizuoka — echoing the retirement of his ancestor Tokugawa Ieyasu centuries earlier.

And there, the last shōgun disappeared. He spent the next three decades in quiet seclusion, filling his days with oil painting, kyūdō (archery), hunting, photography, and — improbably — cycling. Some of his photographs have been published in recent years by his great-grandson. He was so afraid of assassination by his own bitter former retainers that he redesigned his sleeping arrangements to confuse any would-be attacker.

In 1897, he moved back to Tokyo. In 1902, Emperor Meiji — the boy who had presided over the decree that destroyed him — granted Yoshinobu the title of kōshaku (prince), the highest rank in the new peerage. In 1908, he received the Order of the Rising Sun. His granddaughter married the brother of Emperor Hirohito.

Yoshinobu died peacefully on November 22, 1913, at the age of seventy-six. He had outlived the Meiji Emperor himself by over a year. He had watched Japan defeat China and Russia, open an empire, and become a world power — all under the system that replaced him.

The man who fled Osaka in the dark lived long enough to become a prince in the country that had called him a fugitive.