The Small-Animallike Lady Is Adored by the Ice Prince, Vol. 5 (manga)

I, Liliana, the daughter of an earl, have been chosen as the fiance of Prince William, the Ice Prince. Now that my break is over and the new semester is in full swing, things are getting busy again! Still, why does it feel like I have even less time to spend with him than usual? Could it be...? Is he cheating on me?!