
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.
| Chapter Name | Date Added |
|---|---|
| Black Joke 1 : | 11/30/2012 |
| Black Joke 2 : | 11/30/2012 |
| Black Joke 3 : | 11/30/2012 |
| Black Joke 4 : | 12/07/2012 |
| Black Joke 5 : | 12/14/2012 |
| Black Joke 6 : | 12/22/2012 |
| Black Joke 7 : | 01/11/2013 |
| Black Joke 8 : | 01/17/2013 |
| Black Joke 9 : | 01/28/2013 |
| Black Joke 10 : | 02/04/2013 |
| Black Joke 11 : | 02/08/2013 |
| Black Joke 12 : | 02/15/2013 |
| Black Joke 13 : | 02/21/2013 |
| Black Joke 14 : | 04/04/2013 |
| Black Joke 15 : | 04/12/2013 |
| Black Joke 16 : | 04/30/2013 |
| Black Joke 17 : | 05/07/2013 |
| Black Joke 18 : | 05/21/2013 |