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In April 1546, during the late Sengoku period, Hojo Ujiyasu defeated the forces of Kanto Kanrei Uesugi and Koga Kubo in a night attack, and using his fame to pacify northern Musashi, he set his sights on a full-scale invasion of Ueno. Meanwhile, the defeated Kanto Kanrei Uesugi Norimasa retreated to his castle, Hirai Castle, and gave up on raising an army himself. He focused all his efforts on maintaining the support of the local lords who followed him, but his senior vassals, such as the Narita clan of Oshi Castle and the Fujita clan of Hanazono Castle in Chichibu County, switched sides to the Hojo one after another, and he was in no position to resist the Hojo alone. Meanwhile, the Koga Kubo Ashikaga Haruhisa, who was allied with the Uesugi, feared that Ujiyasu's power would grow, so he had his eldest son, Kochiyoomaru, come of age, receive a character from Shogun Ashikaga Yoshifuji, and make him the official successor. This was a move to prevent the second son, Umechiyoomaru, who had Hojo blood, from becoming the Shogun, but Ujiyasu, who had anticipated this move, appealed to the Imperial Court and obtained the rank of "Junior Fifth Rank", and then brought Umechiyoomaru and Ujiyasu's sister, Umechiyoomaru's mother, from the Koga Imperial Palace to Kasai Castle, and declared war on the Shogun. Ashikaga Haruuji, who realized that he could not win against Ujiyasu, who was fully committed to supporting a new Shogun, reluctantly accepted all of Ujiyasu's demands and agreed to a peace treaty. After confirming this, Ujiyasu began his invasion of Ueno in Tenbun 20 (1551). He fully mobilized his main force of 20,000 and surrounded Hirai Castle in lightning speed, but just a few days before the full-scale siege of the castle, Uesugi Norimasa once again escaped. Still, satisfied with having gained control of Ueno with only minor sacrifices, Ujiyasu continued to split off the opportunistic Yamauchi clan, but also switched his focus to how to deal with the next enemy... #Battle of Odawara Castle #Battle of Ikunosan #Battle of Kasai Castle [Synthetic voice support] Voiced by https://CoeFont.cloud Voiced by https://www.ah-soft.com [For viewers] *Please note that this is a privately produced program and may contain typos and other errors*The ninja characters that appear in the program are the characters that Yukimura loves to use in the smartphone game "Mingol" that he enjoys. Be sure to give "Mingol" a try! *This is a battle commentary based on common theory, but with some Yukimura-style embellishment. *There are various theories about the battles and events in the story. *Due to production reasons, it does not include all information or warlords who appear. *Character names are written in easy-to-understand notation, regardless of when they were renamed. *Loud sounds may be emitted during the performance. *This is based on historical materials as of 2022. #Warring States period #Battle #History