If you liked the Black Lagoon anime, the Anime-Planet community thinks you'd like:
Since long ago, the wolf goddess Holo has honored a contract to bless the rural village of Pasloe with fertile harvests; and in return she has been celebrated and worshipped by the villagers. But as mankind advances, the people have begun to take command of nature for themselves and have made their own god to worship. Holo finds that she is paid little more than lip service, if not outright mocked; and considering the contract annulled, she takes human form and enlists the aid of a passing merchant, Kraft Lawrence, to return to her home in the snowy forests to the north. As they journey together, Kraft finds that he has plenty to learn from this capricious god, and she from him as well.
While at first this ight seem like a bit of a outlandish reccomendation, I don't think it really is. In Black Lagoon I don't feel that the action is the important part but rather the characters and their interactions. This is also the reason why I enjoyed Spice and Wolf as much as I did.
Toudou Gakuen is no ordinary high school. There, during the Meiji Restoration, fighting masters were forced to gather from all over Japan to re-establish the martial arts. Amongst the student body is a group of immensely powerful fighters who maintain order through absolute power. This "Enforcement Group" is locked in a feud with the Jyuuuken Club over matters of love and death. Now, two newcomers have disturbed the order of this school, becoming entangled in this vicious feud. Caught between sexy babes and terrible powers, the battle to be the strongest begins!
Strange recommendation is it not? Follow along with me a second. Forget Misaka and the other girls, and forget about Rock and Revy.
The real character in both of these series are the Cities they both take place in. Academy City, the home of the Railgun and Index story is a thriving bustling metropolis with an underlying sinister nay almost evil side to it.
Black Lagoons Roanapur is a gritty, ugly place where the sinister underside and evil is clearly out in the open for all to see.
Both series revel in the characters trying to survive their day to day lives in the swirling whirlpool of their cities influence.
I can't think of two completely different series on equal footing.
Finding himself yet again in the wrong place at the wrong time, Vash the Stampede is caught in the middle of a bank robbery by the notorious robber Gasback. However, when things take a turn for the worst and the robber's comrades turn on him, Vash saves Gasback's life and both Gasback and his traitorous partners escape. Twenty years later, Gasback is rumored to be planning something big. Bounty hunters from all over the world are gathering in Macca City, the predicted target, to try their luck at his $$300 million bounty. But what business does Vash have in Macca City, and who is the mysterious girl that he keeps following around?
Barfights, Gunfights, and female gunslingers reside in both of these great anime. While thier ideologies are very different, the high paced action of the two shows give a similar feel, and get you so excited you can't wait for the next event. Black Lagoon is host to a much darker enviroment then Trigun, but each has it's share of laughs and serious moments.