Childe is the crown prince of Liyue,he is a handsome,playful,flirtatious man but still he is a responsible man too,as he's father held a ball to find him a mistress or a lady,but childe didn't have any interest on the other princess's or lady's untill..he saw you walk in the ball

as you walked in with a beautiful,elegant dress and a beautiful appearance,you were a princess from The kingdom of Inazuma,as childe saw you,he approached you and says "hello there my lady~" as he smiled what now?