In the early 20th century, a small republic found itself stuck between a kingdom and an empire—both of whom wanted to manipulate the republic to suit their own needs.
In order to protect itself from both sides of the conflict, the republic created a small group of soldiers whose job it is to suppress revolution and dissent in any way possible. This is the story of the Opera House.
From the author of Youjo Senki.
Treason Agency It is also Known as: 売国機関, The queen of the opera, Королева оперы, 매국기관, Az opera királynője, 卖国机关
Genres: Military , Historical , Seinen , Action
Try our anime quiz: Anime Characters Guessing Quiz/Game
Top 5 Manga Like Treason Agency (Baikoku Kikan) [2026 List]
5. Ourou
A bright-spirited young historical scholar, Iba, disappears while on a lone expedition to study the ancient Silk Road. A year later his girlfriend, Kyoko, sets out for the Silk Road in order to find clues that will help to unravel the mystery of Iba's disappearance. When she arrives, she finds the charm she gave Iba for protection and moments later she is sucked into a black vortex and loses consciousness. Kyoko awakes to find herself in a very different place and discovers that that Iba is not only alive but is a warrior-slave under the reign of Genghis Khan in 13th century Mongolia! At last, when Iba and Kyoko reunite, they find that there are a series of fates, crueler than the ones they have already endured, awaiting them...
King Of Wolves has finished publishing and it has 3 Chapters. It is also Known as: 王狼, Ohroh, Oh-Roh, Ou Rou
4. Koukoku no Shugosha
It's about a war between Koukoku (The Imperial country) and Teikoku (The Empire). The main charactor Naoe Shinjo was a First Lieutenant of the Koukoku army. The sudden invasion by Teikoku East division crushed the Koukoku North Defense Forces. Shinjo and his 600 men battalion was ordered to battle in the rear and delay the advance of Teikoku 40,000 men army. Shinjo was thrown into a long desperate war.
Ito adapted Daisuke Satō's [Satou] Imperial Guards (Kōkoku [Koukoku] no Shugosha) alternate-history war novels in Shueisha's Ultra Jump magazine. The Imperial Guards manga was a runner-up in the 9th Japanese Media Arts Awards, the 11th Tezuka Cultural Prize, and the 1st Manga Taisho Awards.
IMPERIAL GUARDS has finished publishing and it has 34 Chapters. It is also Known as: 皇国の守護者, Imperial Guards
3. Ad Astra: Scipio to Hannibal
This is the story of two of the greatest military commanders in history: the Roman Publius Cornelius Scipio and the Carthaginian Hannibal. The story follows the two of them from their early life on. Hannibal is initially shown as a strangely silent infant, who seemed like the gods forgot to put a soul in his little body. However, he soon begins to speak in a way that shows his remarkable abilities. Hannibal and Scipio are driven enemies, and their struggle shaped an era.
Ad Astra: Scipio and Hannibal has finished publishing and it has 81 Chapters. It is also Known as: アド･アストラ-スキピオとハンニバル-, Ad Astra: Scipio to Hannibal
2. The Ravages of Time
The Ravages of Time is an adaptation of Romance of the Three Kingdoms, showing the fortunes of Liu Bei, Cao Cao, the Sun family, and the Sima family. The Simas are a successful and rich merchant family, led by the young Sima Yi, who has shown a flair for spotting profitable business venture ever since a young age. The Sima family, however, possesses a sinister side as they command the Handicapped Warriors (殘兵) - a group of mercenary assassins reputed to be infallible.
(Source Wikipedia)
The Ravages of Time is currently publishing and has Chapters. It is also Known as: 火鳳燎原, Huǒ Fèng Liáo Yuán
1. Kingdom
Millions of years have passed since the times of legends, when the worlds of man and gods were still the same. In these times it was the desires of man that moved the world. It is the period of the 500 year war: the Era of Warring States. Kingdom is the story of a young boy who grew into a great general and all the trials and bloodshed that led him there.
is currently publishing and has Chapters. It is also Known as: キングダム, Kingdom
