My Childhood Friend, the Prince, Keeps Giving Me Attention

When they were young, Erik, the fifth prince, often visited the margrave territory where Marylise lived, but from a certain year onward, he stopped coming. Five years later, Marylise enrolls in an academy and reunites with Erik. Even though she doesn't want anything to do with the conspicuous Erik at the academy, he keeps giving her a lot of attention!?