They both have a cold heart, but they also don't want others to see through them, so they keep pretending to be themselves.
She refuses everyone's approach with her cold appearance
He expressed his alienation with a gentle smile
She is cold because she has seen through the warmth and coldness of the world since she was a child.
His coldness is to hide his inner inferiority
She is stunningly beautiful but aloof and arrogant
He is handsome but humble as dust
Aloof and arrogant like her, pure and refined like him, what he desires most is just a warm heart