 If you liked
Ware wa Kenou!!
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 ...then you might like
Gan☆Kon
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Both have a boy making a contract to fight for the heroine. Gan-kon has the goddess granting a boys wish in in doing so makes the boy fight for her. Ware ha Kenou has the king, the heroine, make a contract with the boy, the sword and he fights for her. They both have to do with territory where the characters fight in battles and gain territory by winning.