The Japanese Right Army or Army of the Right was an army of Japan during the second wave of Japanese invasions of Korea,^[1] in the years 1597^[1]–1598.^{[citation needed]} It included forces from several divisions of the earlier invasions (1592–1596).^{[citation needed]} Under the overall command of Mori Hidemoto,^{[1][clarification needed]} the Right Army consisted mainly of the former Second Division led by Katō Kiyomasa, the Third Division led by Kuroda Nagamasa and the Seventh Division led by Mōri Hidemoto, who replaced his cousin Mōri Terumoto.^{[citation needed]}

The following was the organization of the Right Army as of September 1597:^[1]

• Katō Kiyomasa (加藤清正) – 10,000 men^[1]
• Kuroda Nagamasa (黒田長政) – 5,000 men^[1]
• Nabeshima Naoshige (鍋島直茂) & Katsushige^{[clarification needed]} – 12,000 men^[1]
• Ikeda Hideshi – 2,800 men^[1]
• Nakagawa Hidenari – 2,500 men^[1]
• Chosokabe Motochika – 3,000 men^[1]
• Mōri Hidemoto (毛利秀元) – 30,000 men^[1]

The total count (as of September 1597) was 65,300 men.^[1]

• The Battle of Koryong (고령)
• The Siege of Hwangsoksan (황석산성)
• The Battle of Jiksan (직산)
• The First Siege of Ulsan (울산)
• The Siege of Samga (삼가성)
• The Second Siege of Ulsan (울산)

• Japanese Left Army

• Hawley, Samuel (2003). "The Imjin War (Part 2)". Transactions of the Korea Branch of the Royal Asiatic Society. 78: 35–55. Archived from the original on 2016-04-21. Retrieved 2012-08-20.