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Kai Oku
Kai Oku portrait.png
Biographical Information
Marital Status Unknown.
Age 40s
Gender Male
Distinction Manchu mustaches.
Relatives Unknown
State Qin
Location Kanyou
Professional Information
Classification Strategist
Occupation Soldier
Affiliates Qin Military
Shou Hei Kun Army
Strategist Academy
Military Rank Commander
Equipment Glaive
Manga Debut Chapter 320

Kai Oku is one of Shou Hei Kun's vassals, and a lecturer at the strategist's academy. He was sent by his master along with close to 100 soldiers to reinforce Sai.


Kai Oku has long hair divided in two ponytails and a long goatee. He is always seen with a grim smile on his face. He is consistently show wearing elaborate robes (whether it be over armor on the battlefield or in peacetime).


Seems to enjoy teasing people from his interactions with both Mou Ki and Ka Ryo Ten.


At some point in the past, he joined Shou Hei Kun's academy of strategist and managed to become one of his trusted vassals.


Coalition Invasion Arc[]

Kai Oku is a palace official who was going to be sent by Shou Hei Kun to Naifu with 1000 men to find out what was going on with the reports of recent attacks. However, seconds after, a report came inform them that Naifu had already fallen.

Battle of Sai[]

When Ei Sei decided to make his stand in the city of Sai, Shou Hei Kun sent Kai Oku with close to 100 of his vassals to assist the king. To scatter as their forces saw fit. Of them were 50 or so officers capable of leading. To the amazement of the commanding officers. When Ka Ryo Ten saw him, she was astonished. Then Mou Ki showed up along with Koua and Kinryou. When Ten started to weep, Kai Oku told her not to. Because, her tears were best suited for when they emerged victorious from the battle, and when she first knew the body of a man. He later teases she should be wary of Mou Ki while receiving an angry remark from Mou Ki. Ten told them that it was not the time to be messing around.

State of Ai Arc[]

Kai Oku was sent to Sanyou City by Shou Hei Kun. His objective was to quell unrest within the army and to discover if there were any plots from the Queen Mother and Rou Ai. He later returns to Kanyou with his master to help quell the uprising.

Koku You Campaign Arc[]

Western Zhao Invasion Arc[]

He was one of the four heads in the tactical HQ for the Gyou campaign. Later he led the fake supply force and briefly engaged Shun Sui Ju in battle.


Strength 85
Leadership 92
Intelligence 93
Experience B
Loyalty to Shou Hei Kun: 99

Strength 85
Leadership 92
Intelligence 93
Experience B
Loyalty to Shou Hei Kun: 99

As the right-handed man of Shou Hei Kun, Kai Oku proves to be a capable military strategist and is one of the most noted lecturers at the best strategist academy of Qin. Before the Battle of Sai started, he was sent by Shou Hei Kun to Sai with nearly 100 men to assist Ei Sei and the city's defense, indicating his capabilities.

Physical Abilities[]

Kai Oku is adept in the usage of a glaive as shown in the battlefield. He was able to engaged Shun Sui Ju in battle briefly without any serious injuries.


Kai Oku proves to be a capable leader as he leads his men in the frontline.

Tactical Abilities[]

During the battle of Sai, he served as the commander of the north wall. he was able to quickly deduce which wall was the most vulnerable and would quickly send reinforcements over whenever he could. He later serves one of the four strategists in the tactical HQ to devise a plan for the Gyou campaign.


Kai Oku civil attire.PNG
Kai Oku in his civil attire
Kai Oku follows Shou Hei Kun.jpg
Kai Oku

Royal Palace
Royal Family Rou Ai - Queen Mother

Government Chou Kou - Ko Reki
Generals Current
Han O Ki
Wa Tegi

Commanders Han Roki - Ha Mui - Bu Tai
Royal Palace
Royal Family Formerly
Shou Hei Kun

Government Shun Shin Kun
Great Generals Kan Mei - Ka Rin

Generals Formerly
Rin Bu Kun

1000-Man Commanders Haku Rei - Kou Yoku
Great Generals Sei Kai

2000-Man Commanders Formerly
Leader Jo Elder

Civilian Shuu (Jo)
Royal Palace
Royal Family Ou Ken
Generals Ganmo
Royal Family Current
Ei Sei - Queen Mother - Rei - Rui
Boku Kou - Sei Kyou - Sho - Sou Jou

Government Current
Ri Shi - Ryo Fui - Sai Taku - Shi Shi - Shou Hei Kun - Shou Bun Kun
Ketsu Shi

Royal Harem Amin - Chou Kou - Kou - Rou Ai - You
Great Generals Current
Mou Bu - Tou
Chou Tou - Duke Hyou - Mou Gou

Six Great Generals:
Ko Shou - Kyou - Haku Ki - Ou Ki - Ou Kotsu - Shiba Saku

Generals Current
Do Mon - Heki - Kan Ki - Kan Ou - Ou Sen - Roku O Mi - Ryuu Koku - Shou Kaku
Dou Kin - Ei Bi - En Ka - Koku Gou - Ra Gen - Rin Bou - Ryuu

5000-Man Commanders Ou Hon - Shin

3000-Man Commanders Kyou Kai

2000-Man Commanders Mou Ten

1000-Man Commanders Curent
Hoku Shu - Gaku Rai - Kaku Un - Kan Jou - Ogiko - Ran Dou
Baku Koshin - Jou Han - Kaku Bi - Tai Un

100-Man Commanders Chu Tetsu - Den Ei - Den Yuu - Hai Rou - Kyo Gai - Ryuu Sen

10-Squad Leaders Bi Hei - Ro En - Ryuu Yuu - Seki - Suu Gen - Taku Kei

5-Squad Leaders Former
Batsu Ken - Bi Tou - Bun Ketsu - Hou - Kyou Ji - San Ka - Yuu Gi

Strategists Ka Ryo Ten - Kai Oku - Mou Ki
Mountain Tribe
King Yo Tan Wa

Elders Chouga Elders

Warriors Ba Jio - Fuji - Rankai - Shunmen - Tajifu - Toji
Royal Palace
Royal Family Kei Bin
Great Generals Current
Go Hou Mei
Seven Fire Dragons:
Gai Mou
Go Kei - Tai Roji - Shi Ei - Rei Ou - Shou Sen - Ba Tou

Generals Current
Fuu Haku - Kan Ei
Kyuu Gen - Haku Kisai - Ga Gyuu - Rinko - Gen Bou - Kyou En - Kai Shi Bou

1000-Man Commanders Former
Dou Sei

Strategists Hyou Ki
Great Generals Current
Geki Shin - Gaku Ki
Royal Palace
Royal Family Tou Jou
Great Generals Three Great Heavens
Ri Boku - Hou Ken
Rinshoujou - Ren Pa - Chousha
Gaku Jou

Generals Current
Kou Son Ryuu - Ri Haku - Ki Sui - Ba Nan Ji - Shuu Sui Ju
Man Goku - Shou Mou - Fuu Ki - Rin Ko - Gen Bou - Kyou En - Kai Shi Bou - Kei Sha

Army Commanders Current
Ba Tei - Kin Mou - Gaku Ei - Kai Gou
Ryuu Tou

1000-Man Commander Gou Ran

Strategists Chousou

Commanders Kaine - Fu Tei

Others Gika

Merchants Former
Ryo Fui - Shi Ka - A Mon - Kou Shou