Synopsis
Japan is now the 51st state of the U.S.A.. The isle of Neon, located near Japan, is the only place where prostitution and gambling are legal. There, Italian Mafia, Chinese Triad and Yakuza fight each other to gain the control of casinos and brothels.
| Black Joke | |
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| Image of Black Joke | |
| Manga Name (English) | Black Joke |
| Name in original language | ブラック・ジョーク |
| Type | Manga |
| Release Date | February 12, 2008 |