 If you liked
Akame ga Kill!
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 ...then you might like
Shingeki no Bahamut: Virgin Soul
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Both series are beautifully animated and set in a medieval fantasy world. The stories both revolve around corrupt rulers and the rebels who are working against them. The protagonists are both cheerful and naive individuals who are oblivious to the corruption until they see it firsthand. There is plenty of action, with comedic relief and romance as well.
In Akame ga Kill, there is a clear difference between the good and evil, while Shigeki no Bahamut tells the story of a conflict between three races in which there is no true 'bad' guys.