The protagonist, Snow Emperor, was burdened with an identity that he did not want to bear. Under the unkind looks and curses from others, he transformed from an angel into a devil. Snow Emperor grew up like ordinary people, she fell in love with a boy sweetly and made a sincere friend, but her identity prevented her from getting these. Even if happiness just arrived, it was destroyed in her own hands. Snow Emperor's life may have been pitiful, painful, and sinful, but all these evils were due to the discriminatory looks of others and their incomprehension of Snow Emperor. Angels and devils are nothing more than that... But in Snow Emperor's short life, there were also brief and beautiful moments of love, friendship and family affection...