Black Lagoon

Black Lagoon  (Japanese: ブラック・ラグーン  Hepburn: Burakku Ragūn)  is a Japanese  mangaseries written and illustrated by  Rei Hiroe. It has been published in  Shogakukan's  Monthly Sunday Gene-X since 2002, and ten collected volumes have been released so far. It was later adapted into an  anime television series by  Madhouse, that aired from April to June 2006 for twelve episodes. A second season, subtitled "The Second Barrage", ran for twelve weeks starting on October 2, 2006. A five volume  original video animation series, titled  Roberta's Blood Trail, was released from July 2010 to June 2011.