If you liked
Tetsuwan Birdy Decode
|
...then you might like
Asobi ni Iku yo!
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Similar alien comes from outer space and changes main character's life. Both shows have a bit of a similar light feel but at times have action. First thing watching this it reminded me of the other show perhaps its something in the animation or music that is great.
If you liked
Black Lagoon
|
...then you might like
Murder Princess
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Both have strong female leads but Murder princess is pretty much garbage in comparison to how awesome Black Lagoon is. They both deal in mature themes but Black Lagoon seems to have a much more realistic feeling to it (not to mention it doesn't have magic).
If you liked
Kenpuu Denki Berserk
|
...then you might like
Claymore
|
Both series deal with inhuman fighting power and have strong supernatural elements. Claymore has mostly female fighters while berserk has mostly male fighters. This being the primary difference they are otherwise fun to watch for action and an interesting plot. Of the two I would say Claymore is better because of a few problems with Berserk such as its brevity (unlike the eternally long manga) and some artistic oddities some people can't deal with (one enemy takes the form of a serpent with a man's face inside its mouth which is dumb). Other than that berserk is a good series although it has a somewhat tragic ending as opposed to the ending of claymore.
If you liked
Aishiteruze Baby★★
|
...then you might like
Chocotto Sister
|
Both series have children and brotherly relationships.
If you liked
Lamune
|
...then you might like
Nogizaka Haruka no Himitsu
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Both have a close friendship throughout the series of the main characters who grow closer. They are both surprisingly fun to watch especially if you dislike Violent retribution anime.