"Black Lagoon" is an anime and manga series created by Rei Hiroe. It follows a group of mercenaries known as the Lagoon Company, who operate in the dangerous underworld of Southeast Asia. The story primarily focuses on Rock, a Japanese businessman who becomes entangled with the group after a kidnapping gone wrong. The series is known for its intense action, complex characters, and exploration of moral ambiguity. It features a diverse cast, including Revy, a skilled gunfighter, and Dutch, the leader of the Lagoon Company. The narrative delves into themes of survival, loyalty, and the consequences of a life of crime.