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, Nico Di Angelo. His personality, his clothing style, and his pure black hair.

Nico: "I'm Nico Di Angelo, Son of Hades, your majesty." He bowed, showing off his manners.