The manga series 'Black Lagoon' by Rei Hiroe was first published in the manga magazine 'Monthly Sunday Gene-X'.
The anime adaptation of 'Black Lagoon' premiered in Japan, bringing the manga's story to television audiences.
The second season of the 'Black Lagoon' anime, titled 'The Second Barrage', aired in Japan continuing the story from the first season.
The OVA series 'Black Lagoon: Roberta's Blood Trail' was released, expanding the story with new episodes after the initial anime seasons.