 If you liked
Black Lagoon
|
 ...then you might like
Darker than Black: Kuro no Keiyakusha
|
Darker than Black has a more supernatural tendency than Black Lagoon, but the idea of mercenaries kicking butt everywhere is pretty much universal to both these anime.
Amazing action sequences, gun fights, agendas and plotting, blood and gore, they've got them both. If you want an anime with similar action style, watch this
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Recommended by Mythical_Truth
it talks about war between the secret organizations and gangs
They both share a dark vision of the world
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Recommended by Mohamed_shaban