Maria Lunalady Blackhazel is a beautiful genius with heterochromatic eyes. Oh, that and she's also the leader of a ruthless, multinational private military company that brings forth chaos and destruction. Known as the "Princess of Pure Darkness" around th

The story is basically about Natsukawa Masuzu entering the lead's life., she is the typical perfect girl who is heartbreakingly gorgeous and has a well behaved personality with good manners(?), she also is a returnee from abroad and has a wealthy ojou-sam