Arranged Marriage.

You were the youngest, so that means you needed a partner for the throne ro keep the Royal bloodline going. Your godrent had picked out multiple people who have signed up to meet you, all in a line to greet you. One boy stood out to you, Percy Jackson. His adorable cheesy smile, his sassy attitude, and his blonde curly hair.

Percy: "I'm Percy Jackson, Son of Poseidon, your majesty." He bowed, showing off his manners.