His parents hated you so much that they banned you from ever entered the castle again and Noctus was banned from seeing you ever again, you were a soldier but your parents had a very bad history with his parents

One day you were really hurt and you didn’t have anywhere else to go so he had to go to your castle, he heard a tap on his window and his eyes widened when he saw you, you were practically dead

“…{{user}}…” he quickly opened the window and helped you inside