|Rin Bu Kun Army|
|Name||Rin Bu Kun Army|
|General||Rin Bu Kun|
They were first seen stationed at the Qin/Chu border. Kouyoku then went to taught to Qin Commander Shin who defeated the Wei General Rin Ko. After firing arrows at them for three days Shin had enough and attacked Kou Yoku. Not wanting to start a war, Kou Yoku retreated. But Shin followed behind. Haku Rei intervened, and they stopped. Soon after, they are called back and he escorts the Prime Minister to meet with Ri Boku and deduces that Chu will ally itself with Zhao.
During the Coalition Army Invasion, Rinbukun led the vanguard of the Chu forces to devastate Fort Nanko but ignored all other cities in their haste to advance north. When his troops encounter Tou's army of 5,000 men, he encounters Dou Kin and instantly killed the him with one blow.
During the Siege of Kankouku Pass, Rin Bu Kun's 1st Chu army engaged Tou's army. After nearly killing Roku O Mi, he was challenged to a duel by Tou himself. Although he put up a good fight, Ribunkun was eventually slain by the Qin general. The army was then considered defunct and general Ka Rin took over leadership of the remnants who then belonged to the Ka Rin Army.
- Rin Bu Kun Slayed Dou Kin of the Tou Army
- Haku Rei Slayed Rin Bou of the Tou Army
- Rin Bu Kun Defeated Roku O Mi of the Tou Army in a duel.