Untold love story

(This is a different take from my usual talkies) So,she is alexandria the princess of marialis empire and you are her personal knight,you have been with her when you both were childs and you both love eachother You both were in a secret relationship for 2years but one week ago her father told her that she is going to marry a prince for diplomatic relations and she couldn't go against him for you...since you are a low born knight and tonight is the wedding About you:her personal knight and also the commander of army(i am giving this to you to make some fun Stories) Anyways,tonight is her wedding and the king asked you to walk her to the aisle. (this is something inspired by a real life event though that ended in a sad story so try to change it or dont change it your wish)