The trigger for the Siege of Odawara was a small castle on the border.

From the Nagurumi Castle Incident to the rift between Toyotomi Hideyoshi and the Hojo clan, and the departure of 200,000 troops—this historical drama depicts "The Eve of the Siege of Odawara!"

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"A single castle moved an army of 200,000"—

Until the unification of Japan, only Kanto and Mutsu remained.

With the Odawara Hojo clan still not coming to Kyoto and refusing to pledge allegiance,
Regent Toyotomi Hideyoshi's patience was reaching its limit.

And what thoughts must have gone through the mind of Toyotomi Hidenaga, on his sickbed, as he watched his brother send off an army of 200,000 eastward?

This historical drama depicts the events of "The Eve of the Siege of Odawara," which are often told separately in textbooks,
based on historical facts and legends.

The postscript after the main story will explain the following, divided into historical facts, legends, and fictional elements:
The historical facts of the Nagurumi Castle Incident
The basis and limitations of the Sanada Masayuki "mastermind" theory
The hostage period of Tokugawa Ieyasu and Hojo Ujinori
The conversation between Hideyoshi and Sanada Nobushige, later known as Yukimura
Tokugawa Hidetada's coming-of-age ceremony and his lasting relationship with Nene
Hidenaga's stay at Arima Onsen and his tears on the day of battle
The "three pieces of advice" Hidenaga forgot to give


2026 NHK Taiga Drama "Toyotomi Brothers!"
Toyotomi Hidenaga: Nakano Taiga
Toyotomi Hideyoshi: Ikematsu Sosuke
Tokugawa Ieyasu: Matsushita Kohei
Script: Yatsu Hiroyuki

Enjoy this alongside the Taiga drama:
An unofficial historical drama series, "The Setting Sun of the Toyotomi"

"Why did the brothers who conquered the land head towards ruin?" --

With the unification of Japan on the verge of completion,
the younger brother who had always supported his older brother
was unable to accompany him to the battlefield for the first time.

▼Toyotomi's Downfall Series - Full Structure
Episode 1: Ieyasu Finally Surrenders to Hideyoshi 【30分映画】家康の上洛！秀吉に頭を下げた日の物語 -豊臣の落日シリーズ【NHK大河...
Episode 2: Kyushu Campaign! Battle of Iwaya Castle 【30分映画】秀吉の九州征伐！岩屋城の戦い篇　九州平らげる　〜豊臣の落日シリーズ〜【...
Episode 3: Kyushu Campaign! The Battle of Hetsugigawa 【30分映画】秀吉の九州征伐！戸次川の戦い篇｜島津四兄弟の罠【九州征伐 後編】豊臣の...
Episode 4: The Pacification of Kyushu (200,000 Men Head to Kyushu) 【30分映画】秀吉、九州平定！根白坂の戦い篇〜島津四兄弟がついに豊臣にくだる【NHK...
Episode 5: Toyotomi Hideyoshi's Financial Situation ~Money, Tea, and Women~ 【30分映画】豊臣秀吉の金事情〜金と茶と女〜九州平定から小田原征伐までの物語【NHK...
This work (Episode 6): The Eve of the Siege of Odawara!

▼NHK Taiga Drama "Toyotomi Brothers!" Broadcast Commemoration Series "The Sunset of Toyotomi"

The 2026 NHK Taiga Drama "Toyotomi Brothers!"
is a story depicting the unification of Japan by brothers from the perspective of Toyotomi Hideyoshi's younger brother, Hidenaga.

This work, "The Sunset of Toyotomi,"
is a series that depicts why the Toyotomi family collapsed after the "unification of Japan" was depicted in the Taiga drama.

Watching this in conjunction with the Taiga drama will deepen your understanding of the Sengoku period. ▼References and Main Reference Materials

Michifumi Isoda
"The Toyotomi Brothers: The Art of Survival That Conquered Japan" (Bungei Shunju Shinsho)
https://amzn.to/4oNWSYc

Hiroyuki Shiba
"Hideyoshi and Hidenaga"
https://amzn.to/4aLeJsN

In addition, historical materials and specialized research concerning the Nagurumi Castle Incident, negotiations with the Hojo clan regarding the march to Kyoto, the General Peace Edict,
Tokugawa Hidetada's coming-of-age ceremony, Hidenaga's hot spring treatment and illness, etc., have been referenced.

*For dramatic effect, discrepancies with historical research are noted in the editor's notes.

▼Related Videos

Honnoji Incident 20-minute film
【30分映画】本能寺の変、その時わたしは。- 再現シネマ Part1 - [NHK大...

Please note that some of the links provided are part of the Amazon Associates Program, where creators receive compensation through purchases.

▼Chapters

00:00 Opening — A single castle moves 200,000
OP/Series Title Call
Tokugawa Ieyasu's Position — The Last Negotiation to Save the Hojo
The Nagurumi Castle Incident Erupts
Why Did Sanada Masayuki Laugh After His Castle Was Seized?
Hideyoshi's Intentions — Ending Diplomacy with the Hojo
The Hojo Clan's Defense
Tokugawa Nagamaru — Later Tokugawa Hidetada
Hidenaga's Illness — Hot Spring Treatment at Arima Onsen
The Sickly Tsurumatsu and His Father, Hideyoshi
A Sad Departure — The Tears Hideyoshi Shed
A Hundred Million-Man Army Heads to Odawara
Next Episode Preview — The Hojo, the Setting Sun of Odawara
Editor's Notes — Historical Facts, Legends, and Fiction

#Odawara Campaign #Toyotomi Brothers #Toyotomi Hideyoshi
#Nagurumi Castle Incident #Toyotomi Hidenaga #Tokugawa Ieyasu #Sanada Masayuki
#Hojo Ujimasa #Hojo Ujinao #Tokugawa Hidetada #Taiga Drama
#Sengoku Period #Japanese History #Historical Commentary # Sengoku drama