Don't click this its just a rant of mine....

so the I’m the Prince’s Consort Candidate however, I believe I can certainly surpass it! manga was really good and shit but the plot twist ruined!! like why?? (╬￣皿￣)凸 like (spoilers ahead)
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Rina being the queen/grand duchess?? is just way out of the picture like a commoner marrying the highest noble of nobles??!?!? and if she isnt a commoner... then what is she?? like how the hell did she get in the palace in the first place like her mother quit her job after marrying her father? but yeah. and she also said the both her mother and father were bureaucrats how?? FUCKING HELLLLLL
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but anyway it'll be day before i can accept this spoiler i thought the grand duchess was the duke's duaghter but nope . ok ill stop.... and if you have spoiler please tell me...