 If you liked
Tate no Yuusha no Nariagari
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 ...then you might like
Yuusha Party wo Tsuihou sareta Beast Tamer, Saikyoushu no Nekomimi Shoujo to Deau
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The overall plot is basically the same. Both feature a protagonist who wants to save the world but the heroes he has to work with are the antagonists and treat him disgracefully. Both start their harem as a consequence, though one guy has a shield and the other guy is a beast tamer.