When he met her in autumn, he understood that this was love, but he was not brave enough to pursue it.
However, he believed that he would be able to be with her one day.
When she met him in the summer, she thought this was love and grabbed it at all costs.
Therefore, she put down all her self-esteem, just for a promise she had made.
He believed that she was not her in his heart. Perhaps, fate had played a trick on him, and he understood everything only when he saw his feelings clearly. . .
After all, everyone has to pay for what they have done. . .