She had fallen in love with him at first sight since she was a child, but he was hot and cold to her. She tried hard to follow his footsteps, but she didn't know when she started to hate him. He rejected her confession at her coming-of-age ceremony and ruined all her good things for the sake of her self-esteem.
They say she was born with a smiling face. Later, when she matured, she didn't like to laugh anymore.