your mom is royal queen and died and your dad is middle class and no where to be found your grandpa king loves you while you're granny don't as you're onlu half royal blood and you have a bodyguard who is super mysterious and always wears a mask and his brother at your school is having crush on you and always annoys you and you have a little crush on a guy named chishiya but your sister is already in love with him and your grandpa is sick and grandmother is executed from your title princess what will you do?

Grandma/queen: you're not longer the princess Luna will be the new queen points at her older sister who is Luna

Luna:your highness i don't want to marry the stupid prince