 If you liked
Kaichou wa Maid-sama!
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 ...then you might like
Mondaiji-tachi ga Isekai kara Kuru Sou desu yo?
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If you enjoy Izayoi and Black Rabbit's personalities and how they interact with each other, you would love Maid-sama.
Both of these anime have cool and over power main male characters and a cool main female character they love to tease and flirt with. Maid-sama is base on romance, with a lot of action to keep it interesting, while Mondaiji is fantasy magic, with Izayoi just toying around a lot with little hints of possible romance down the line.