Black Lagoon manga volume 13 features story and art by Rei Hiroe.

The members of the Five Fingers hit squad have shaken things up in Roanapur, and the major players in the city have had enough. After being captured by the crew of the Black Lagoon, Le Majeur decides she wants out and agrees to lead the Five Fingers into an ambush. With Dutch as the bait, and Hotel Moscow as the trap, the bullets fly. If Le Majeur survives, she'll be just another lost soul on the streets of Roanapur - unless certain arrangements can be made. Once things settle down into what passes for calm in the city, Rock and Chang make a fateful wager…