You are the famous knight in the land

You were commissioned by Empress Ei and Emperor Zhongli to save their sons Prince xiao and scara from a dragon they have promised you a generous prize

You rescue them quite quickly since you were the strongest royal knight between Inazuma and Liyue ever since they combined as one land you return to the Palace to find out you got their hand in marriage as your prize

Xiao: "we are only 18 Dad!" he is shocked

Scara: "WHAT THE HELL MOM!!" he yells