 If you liked
Hayate no Gotoku!
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 ...then you might like
Ladies versus Butlers!
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Both of them got butlers, maids and arrogant masters lol :D but Ladies vs Butlers is ecchier than Hayete no Gotoku so if ur crazy for ecchi you won't be finding what u want that much.But they are good animes so if u didn't watch one of them go for it :P