A rising boss in the underworld is forced to lead a double life as a police officer and a gang boss in order to find the killer of his brother.
Double Casting It is also Known as: Double Casting
Genres: Action , Martial Arts , Cops , Revenge , Detective , Mafia
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Top 5 Manhwa/Manga Like Double Casting [2025 List]
5. Tirano

The setting is the year 202X, in Kamata, Ota Ward, Tokyo, which has become one of the world's leading entertainment districts due to the opening of the Kamata Line. The area attracts huge economic benefits and is surrounded by organized crime, foreign mafias, terrorists, smugglers, prostitution rings... and the hidden agendas of political, financial, and governmental power players. A newly assigned police officer, Nonogami, stationed at the station's front police box, feels despair over the corruption of power. However, with the overwhelming violence of "Tyranno," a massive female police officer, the cases begin to be solved.
Tyranno is currently publishing and has Chapters. It is also Known as: ティラノ, Tirano
4. Hell Dogs: Jigoku no Inu-tachi

Can I kill a person as a police officer!? It's been three and a half years since I became a yakuza, and the infiltration never ends.
Kanetaka of the Higashi-Sheath Association is a gangster with a strong arm who has climbed up to assistant young head. He landed in Okinawa at the command of the organization and killed his target, Kino. That night, Kanetaka vomits violently. He was an undercover investigator at the Metropolitan Police Department! What is the purpose of Kanetaka's actions!?
Hell Dogs is currently publishing and has Chapters. It is also Known as: ヘルドッグス 地獄の犬たち, Hell Dogs: Jigoku no Inu-tachi
3. Double Casting

A rising boss in the underworld is forced to lead a double life as a police officer and a gang boss in order to find the killer of his brother.
Double Casting is currently publishing and has Chapters. It is also Known as: Double Casting
2. Kizu Darake no Jinsei

Nagai Jinsei, aka "Bare-Knuckles Jinsei". Born in a dumpster, raised in an orphanage, living as a yakuza, he is tough enough that he fights all his fights bare-handed, and is covered with countless knife and bullet scars from his battles. But his life changes when he saves the five-year-old Ayumi, daughter of the new police chief, Enjoji Masayoshi, and befriends their family. For the first time in his life, Jinsei feels like he's found a family of his own, and decides to start his life over, but his past and his ties to the yakuza keep getting in the way.
Kizu Darake no Jinsei has finished publishing and it has 114 Chapters. It is also Known as: 傷だらけの仁清, Kizu Darake no Jinsei
1. Sanctuary

Akira Hojo and Chiaki Asami are childhood friends who have experienced hell and lived to tell about it. They arrive in Japan to attend school, and soon witness the corruption and apathy of the country's population. Enraged, Akira and Asami vow to create a new Japan; a sanctuary with a new form of politics, devoid of corruption, where people are empowered to participate in the politics and future of their country. To accomplish this, Hojo and Asami aim to conquer Japan through two dramatically different routes: the Japanese Diet and the Yazuka. Decided by a game of rock-paper-scissors, Hojo ventures to seize control of the underworld while Asami pursues the position of Prime Minister.
Sanctuary is a dark, political thriller that tells the story of these two friends as they attempt to change Japan from the inside out and create their sanctuary.
Sanctuary has finished publishing and it has 105 Chapters. It is also Known as: サンクチュアリ, Sanctuary