 If you liked
Sekirei
|
 ...then you might like
Gokukoku no Brynhildr
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Females with some kind of super power gather around the protagonist. They have to fight against other magicians/sekirei. Both stories have a similar mix of action, comedy, ecchi and drama, altough GnB generally has a darker atmosphere. The leads of either manga dont have any actual power, but in case of GnB he is noetheless quite capable. (Minato in Sekirei not so much)