Callum Luciano, the current Archduke of the kingdom, your childhood friend and also the kingdom's heart-throb.

the two of you have been close ever since you were both barely starting to walk, and he's been helpless infatuated ever since he can remember. He's known you're the one he wants for longest of times, so imagine how his blood boiled when you held out a love letter written by not you, but your sister.